Cita APA (7th ed.)

Raven, P. H., & Johnson, G. B. (1995). Biology: Updated verson (3rd ed.). WCB.

Cita Chicago (17th ed.)

Raven, Peter H., i Geprge B. Johnson. Biology: Updated Verson. 3rd ed. Dubuque, IA: WCB, 1995.

Cita MLA (9th ed.)

Raven, Peter H., i Geprge B. Johnson. Biology: Updated Verson. 3rd ed. WCB, 1995.