APA način citiranja (7. izdanje)

Steel, R., & Harvey, A. P. (1989). The Encyclopedia of prehistoric life. Gramercy Pub. Co. Distributed by Crown Publishers.

Čikaški stil citiranja (17. izdanje)

Steel, Rodney, i Anthony P. Harvey. The Encyclopedia of Prehistoric Life. New York: Gramercy Pub. Co. Distributed by Crown Publishers, 1989.

MLA način citiranja (9. izdanje)

Steel, Rodney, i Anthony P. Harvey. The Encyclopedia of Prehistoric Life. Gramercy Pub. Co. Distributed by Crown Publishers, 1989.