APA

Saunders J. W., . (1982). Developmental biology: patterns, problems, and principles. New York: Macmillan.

Chicago

Saunders John Warren, . 1982. Developmental biology: patterns, problems, and principles. New York: Macmillan.

Harvard

Saunders J. W., . (1982). Developmental biology: patterns, problems, and principles. New York: Macmillan.

MLA

Saunders John Warren, . Developmental biology: patterns, problems, and principles. New York: Macmillan. 1982.