APA način citiranja (7. izdanje)

(Earth Works Group (U.S. (1989). 50 simple things you can do to save the earth. Earthworks Press.

Čikaški stil citiranja (17. izdanje)

(Earth Works Group (U.S. 50 Simple Things You Can Do to Save the Earth. .Berkeley, CA: Earthworks Press, 1989.

MLA način citiranja (9. izdanje)

(Earth Works Group (U.S. 50 Simple Things You Can Do to Save the Earth. Earthworks Press, 1989.