Free NP 405 Citation Generator
NP 405 is the Portuguese national standard for bibliographic references used by universities in Portugal. CiteMe formats NP 405 references automatically from 10+ scholarly databases — paste a DOI or search by topic for formatted citations with Portuguese conventions instantly.
How to use the NP 405 citation generator
Search your source in NP 405
Enter a title, DOI, URL, ISBN, or author name to find the right source in real academic databases.
Verify the metadata
Check author names, year, title, and source details before copying the final citation.
Copy the citation and in-text format
Get the full NP 405 reference plus the matching in-text citation or footnote format instantly.
Why Use Our NP 405 Citation Generator?
Real Academic Databases
Search 250M+ works from OpenAlex, Semantic Scholar, and CrossRef. Every citation is real and verifiable with DOI links.
NP 405 Compliant
Formatted according to the Portuguese national standard NP 405 for bibliographic references.
Portuguese Conventions
Proper handling of Portuguese names, dates, and language conventions.
Export Options
Copy formatted citations or export to BibTeX/RIS for use with Zotero, Mendeley, EndNote, and other reference managers.
NP 405 Citation Examples
Journal Article
In-text: (Silva; Santos, 2024)
Examples in NP 405 format
NP 405 In-Text Citations
Parenthetical
Author and year:
...conforme (Silva, 2024).Narrative
Author in sentence:
Silva (2024) demonstrou...Frequently Asked Questions
What is NP 405?
NP 405 is the Portuguese national standard for bibliographic references, used by universities in Portugal.
Is this generator free?
Yes! CiteMe offers free NP 405 citations.
How accurate is this generator?
Very accurate. We format according to NP 405 standards.
Common NP 405 citation mistakes
Avoid the most frequent formatting errors with a quick checklist by source type.
Open mistakes guide →Cite by Source Type in NP 405
Start with the source pages most readers need, then explore the full set of examples and formatting rules for this style.
Journal Article citations
Generate accurate NP 405 citations for journal articles. Search 250M+ academic papers from real databases.
PDF citations
Generate accurate NP 405 citations for PDFs, technical reports, white papers, and government documents.
Website citations
Generate accurate NP 405 citations for websites, web pages, and online articles. Handles missing authors and dates automatically.
Citation tools & comparisons
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