APA način citiranja

Herrera Delgado, E. G. (2005). Social and educational proposal on human sexuality for elderly men.

Čikaški stil citiranja

Herrera Delgado, Edwin Gerardo. Social and Educational Proposal On Human Sexuality for Elderly Men. 2005.

MLA način citiranja

Herrera Delgado, Edwin Gerardo. Social and Educational Proposal On Human Sexuality for Elderly Men. 2005.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.