Citazione Stile APA (7a Edizione)

Walker, W. F., Jr. (1987). Functional anatomy of the vertebrates: An evolutionary perspective. Saunders.

Citazione stile Chigago Style (17a edizione)

Walker, Warren F., Jr. Functional Anatomy of the Vertebrates: An Evolutionary Perspective. Philadelphia, Pa: Saunders, 1987.

Citatione MLA (9a ed.)

Walker, Warren F., Jr. Functional Anatomy of the Vertebrates: An Evolutionary Perspective. Saunders, 1987.