APA (7th ed.) Citation

Waples, D. (1939). Investigating library problems. University of Chicago Press.

Chicago Style (17th ed.) Citation

Waples, Douglas. Investigating Library Problems. Chicago, Ill: University of Chicago Press, 1939.

MLA (9th ed.) Citation

Waples, Douglas. Investigating Library Problems. University of Chicago Press, 1939.

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