APA

Averill L. A., . (1948). Introductory psychology. New York: The Macmillan Comp.

Chicago

Averill Lawrence Augustus, . 1948. Introductory psychology. New York: The Macmillan Comp.

Harvard

Averill L. A., . (1948). Introductory psychology. New York: The Macmillan Comp.

MLA

Averill Lawrence Augustus, . Introductory psychology. New York: The Macmillan Comp. 1948.