APA (7th ed.) Zitazioa

Mader, S. (1998). Biology (6th ed.). McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Mader, Sylvia. Biology. 6th ed. Boston: McGraw-Hill, 1998.

MLA (9th ed.) Zitazioa

Mader, Sylvia. Biology. 6th ed. McGraw-Hill, 1998.