APA

Nunnally D. A., Bogitsh B. J., . (1973). Introductory zoology. New York: Wiley.

Chicago

Nunnally David A, Bogitsh Burton Jerome, . 1973. Introductory zoology. New York: Wiley.

Harvard

Nunnally D. A., Bogitsh B. J., . (1973). Introductory zoology. New York: Wiley.

MLA

Nunnally David A, Bogitsh Burton Jerome, . Introductory zoology. New York: Wiley. 1973.