APA (7th ed.) Citation

Perry, R. W. (1945). Blackboard illustration. The Manual arts press.

Chicago Style (17th ed.) Citation

Perry, Raymond W. Blackboard Illustration. Peoria, III: The Manual arts press, 1945.

MLA (9th ed.) Citation

Perry, Raymond W. Blackboard Illustration. The Manual arts press, 1945.

Warning: These citations may not always be 100% accurate.