Cita APA (7a ed.)

Audesirk, T., Audesirk, G., & Byers, B. E. (2001). Biology: Life on Earth (6th ed.). Prentice Hall.

Cita Chicago Style (17a ed.)

Audesirk, Teresa, Gerald Audesirk, y Bruce E. Byers. Biology: Life on Earth. 6th ed. Upper Saddle River, N.J: Prentice Hall, 2001.

Cita MLA (9a ed.)

Audesirk, Teresa, et al. Biology: Life on Earth. 6th ed. Prentice Hall, 2001.