APA (7th ed.) Citation

McColvin, L. R. (1925). The theory of book selection for public libraries. Grafton.

Chicago Style (17th ed.) Citation

McColvin, Lionel R. The Theory of Book Selection for Public Libraries. London: Grafton, 1925.

MLA (8th ed.) Citation

McColvin, Lionel R. The Theory of Book Selection for Public Libraries. Grafton, 1925.

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