APA

Woodruff A., . (1951). The psychology of teaching. New York: Longmans, Green.

Chicago

Woodruff A, . 1951. The psychology of teaching. New York: Longmans, Green.

Harvard

Woodruff A., . (1951). The psychology of teaching. New York: Longmans, Green.

MLA

Woodruff A, . The psychology of teaching. New York: Longmans, Green. 1951.