APA

Woodruff A. D., . (1948). The psychology of teaching. New York: Longmans, Green.

Chicago

Woodruff A D, . 1948. The psychology of teaching. New York: Longmans, Green.

Harvard

Woodruff A. D., . (1948). The psychology of teaching. New York: Longmans, Green.

MLA

Woodruff A D, . The psychology of teaching. New York: Longmans, Green. 1948.