Cita APA

Pough, F. H., Janis, C. M., & Heiser, J. B. (2002). Vertebrate life (6th ed.). Prentice Hall.

Citación estilo Chicago

Pough, F. Harvey, Christine M. Janis, and John B. Heiser. Vertebrate Life. 6th ed. Upper Saddle River, New Jersey: Prentice Hall, 2002.

Cita MLA

Pough, F. Harvey, et al. Vertebrate Life. 6th ed. Prentice Hall, 2002.