NP 405

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

1

Search your source in NP 405

Enter a title, DOI, URL, ISBN, or author name to find the right source in real academic databases.

2

Verify the metadata

Check author names, year, title, and source details before copying the final citation.

3

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

SILVA, Joao D.; SANTOS, Maria R. - Machine learning em saude. Revista Portuguesa de Medicina. Vol. 29, n.o 4 (2024), p. 123-145.

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.

Citation tools & comparisons

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