Cita APA (7a ed.)

Audesirk, T., Audesirk, G., & Byers, B. E. (2000). Life on earth: Study guide (2nd ed.). Prentice Hall.

Cita Chicago Style (17a ed.)

Audesirk, Teresa, Gerald Audesirk, y Bruce E. Byers. Life on Earth: Study Guide. 2nd ed. Upper Saddle River, N.J: Prentice Hall, 2000.

Cita MLA (9a ed.)

Audesirk, Teresa, et al. Life on Earth: Study Guide. 2nd ed. Prentice Hall, 2000.