Cita APA (7a ed.)

Walker, W. F., & Liem, K. F. (1994). Functional anatomy of the vertebrates: An evolutionary perspective (2nd ed.). Saunders.

Cita Chicago Style (17a ed.)

Walker, Warren F., y Karel F. Liem. Functional Anatomy of the Vertebrates: An Evolutionary Perspective. 2nd ed. Philadelphia [etc.]: Saunders, 1994.

Cita MLA (9a ed.)

Walker, Warren F., y Karel F. Liem. Functional Anatomy of the Vertebrates: An Evolutionary Perspective. 2nd ed. Saunders, 1994.