APA način citiranja

Lloyd C Helper. (1989). Magrane's Canine Opthalmology (4th.). Lea& Febiger.

Čikaški stil citiranja

Lloyd C Helper. Magrane's Canine Opthalmology. 4th. Lea& Febiger, 1989.

MLA način citiranja

Lloyd C Helper. Magrane's Canine Opthalmology. 4th. Lea& Febiger, 1989.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.