APA (7th ed.) Citation

Bittner, W. S. (1933). University teaching by mail: A survey of correspondence instruction conducted by American universities. Macmillan.

Chicago Style (17th ed.) Citation

Bittner, Walton Simon. University Teaching by Mail: A Survey of Correspondence Instruction Conducted by American Universities. New York: Macmillan, 1933.

MLA (9th ed.) Citation

Bittner, Walton Simon. University Teaching by Mail: A Survey of Correspondence Instruction Conducted by American Universities. Macmillan, 1933.