Here are some other terms related to this concept:
* Reference: This refers to the full bibliographic information about the source.
* Footnote: A note at the bottom of a page that provides a citation.
* Endnote: A note at the end of a document that provides a citation.
* Bibliography: A list of all sources used in a document.
* Works Cited: A list of all sources actually cited within a document.
All of these terms are related to the process of giving credit to the original authors of the information you are using.