APA

Bagley W. C., Keith J. A. H., . (1927). An introduction to teaching. New York: Macmillan.

Chicago

Bagley William Chandler, Keith John A H, . 1927. An introduction to teaching. New York: Macmillan.

Harvard

Bagley W. C., Keith J. A. H., . (1927). An introduction to teaching. New York: Macmillan.

MLA

Bagley William Chandler, Keith John A H, . An introduction to teaching. New York: Macmillan. 1927.