APA (7th ed.) Citation

McColvin, L. R. (1927). Library extension work and publicity / by L.R. McColvin. Grafton.

Chicago Style (17th ed.) Citation

McColvin, Lionel Roy. Library Extension Work and Publicity / by L.R. McColvin. Grafton, 1927.

MLA (9th ed.) Citation

McColvin, Lionel Roy. Library Extension Work and Publicity / by L.R. McColvin. Grafton, 1927.

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