APA

College Publishing Corporation, . (1967). What do you know about biology: key questions and correct answers. New York: College Publishing Corporation.

Chicago

College Publishing Corporation, . 1967. What do you know about biology: key questions and correct answers. New York: College Publishing Corporation.

Harvard

College Publishing Corporation, . (1967). What do you know about biology: key questions and correct answers. New York: College Publishing Corporation.

MLA

College Publishing Corporation, . What do you know about biology: key questions and correct answers. New York: College Publishing Corporation. 1967.