Reference sources sources, such as dictionaries, encyclopedias, and indexes, are important sources of information in the sciences.
Author, A. A., Author, B. B. Article Title. In Title of Reference Work, Edition Information; Editor, E. E., Eds.; Publisher, Year; Volume, pp Pagination.
Author, A. A., Author, B. B. Article Title. In Title of Reference Work, Edition Information; Editor, E. E., Eds.; Publisher, Year. Updated Month Day, Year. DOI or URL
Powder Metallurgy. In Kirk-Othmer Encyclopedia of Chemical Technology, 3rd ed.; Wiley, 1982; Vol. 19, pp 28-62.
Diagnostic Reagents. In Ullmann's Encyclopedia of Industrial Chemistry, 5th ed.; VCH, 1985; Vol. A8, pp 455-491.
Vallero, D. A. Air Pollution, ver. 3. In Kirk‐Othmer Encyclopedia of Chemical Technology; Wiley, 2015. Updated March 16, 2015. DOI: 10.1002/0471238961.01091823151206.a01.pub3