Zim, H. S. (1957). Rocks and Minerals: A guide to familiar minerals, gems, ores and rocks. Golden Press, Inc.
Citazione stile Chigago Style (17a edizione)Zim, Herbert S. Rocks and Minerals: A Guide to Familiar Minerals, Gems, Ores and Rocks. New York: Golden Press, Inc, 1957.
Citatione MLA (9a ed.)Zim, Herbert S. Rocks and Minerals: A Guide to Familiar Minerals, Gems, Ores and Rocks. Golden Press, Inc, 1957.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.