Free DOI Citation Generator
Resolve any DOI to a perfectly formatted APA, MLA, or Harvard citation instantly. Fast digital object identifier lookup and citation resolver.
How to Use the DOI Lookup Tool
A Digital Object Identifier (DOI) lookup is the fastest way to cite scholarly and scientific papers. Our resolver connects directly to the Crossref API metadata registry, pulling article details automatically. Here is how:
- Paste the DOI: Enter the DOI string (e.g. 10.1037/0002-9432.76.1.4) into the search box.
- Resolve: Click Search or press Enter. Our tool detects it is a DOI and fetches the article details instantly.
- Validate fields: The authors, journal name, volume, issue, year, and pages are auto-populated in our citation form.
- Get reference: Choose your style (APA, MLA, Harvard, etc.) and generate the formatted citation.
What is a DOI and Why Cite It?
A DOI (Digital Object Identifier) is a unique, persistent alphanumeric string assigned to academic articles, ebooks, datasets, and official reports. Unlike standard URLs, which can break or change when website directories reorganize (a phenomenon known as "link rot"), a DOI remains permanent for the lifetime of the document.
Because DOIs ensure long-term stability and reliability of sources, major citation guidelines (APA 7th, MLA 9th, Chicago 17th) require including a DOI for any online resource that has one.
Frequently Asked Questions
Q. Where can I find the DOI for an article?
The DOI is typically printed on the first page of an academic paper, near the database copyright notice. Online, it can be found on the landing page of the publisher website (e.g. ScienceDirect, JSTOR, Springer) near the article title or citation export options.
Q. How do I format a DOI link?
According to the latest APA 7th edition guidelines, DOIs should always be formatted as active, clickable URLs starting with the prefix `https://doi.org/` followed by the unique DOI identifier (e.g. `https://doi.org/10.1037/0002-9432.76.1.4`).