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A citation is a pointer to a source. While a URL is technically that, when universities say "citation" they mean something following a formal citation format. A citation typically includes an aut...
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#3: Attribution notice added
Source: https://writers.stackexchange.com/a/21850 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#2: Initial revision
A citation is a pointer to a source. While a URL is technically that, when universities say "citation" they mean something following a formal citation format. A citation typically includes an author, the title of the work, a publisher, and the date of publication. A URL, on the other hand, contains none of that, and if it turns into a dead link later, the reader of your thesis will have no idea what you accessed. Following [MLA style](https://owl.english.purdue.edu/owl/resource/747/08/), your first citation would be: > "Sonic Annotator: A batch tool for audio feature extraction". Centre for Digital Music, Queen Mary, University of London. n. d. Web. April 26 2016. (Though note that in this particular case, the page actually includes instructions on how to cite the page!) MLA does not require a URL, though it permits one. If using it, it goes at the end. I'm using MLA as one commonly-used example, but you should ask your institution if they follow a particular style guide. If so, use its format.