APA način citiranja (7. izdanje)

Zapperi, R. (1991). The pregnant man (Rev. and updated 4th ed.). Harwood Academic.

Čikaški stil citiranja (17. izdanje)

Zapperi, Robert. The Pregnant Man. Rev. and updated 4th ed. Chur, Switzerland: Harwood Academic, 1991.

MLA način citiranja (9. izdanje)

Zapperi, Robert. The Pregnant Man. Rev. and updated 4th ed. Harwood Academic, 1991.