Cita APA (7th ed.)

Brum, G., Mckane , L., & Karp, G. (1994). Biology: Exploring life (2nd ed.). Wiley.

Cita Chicago (17th ed.)

Brum, Gil, Larry Mckane , i Gerry Karp. Biology: Exploring Life. 2nd ed. New York: Wiley, 1994.

Cita MLA (9th ed.)

Brum, Gil, et al. Biology: Exploring Life. 2nd ed. Wiley, 1994.