Cita APA (7a ed.)

Whitney, F. (1931). Blackboard sketching. Milton Bradley Co..

Cita Chicago Style (17a ed.)

Whitney, Frederick. Blackboard Sketching. Springfield, Mass. : New York [etc.]: Milton Bradley Co., 1931.

Cita MLA (8a ed.)

Whitney, Frederick. Blackboard Sketching. Milton Bradley Co., 1931.