When citing a Catalysis paper, the DOI should be included in the reference list. Here is an example of how it should appear: Author(s). Year. Title of the paper. Journal Name. Volume(Issue): Page numbers. DOI: 10.xxxx/xxxxxx Using the DOI ensures that readers can quickly access the cited work. Many reference management tools like EndNote and Zotero can automatically retrieve and format DOIs, simplifying the citation process.