APA (7th ed.) Citation

Gregory, O. B. (1976). Books and writing. Wheaton.

Chicago Style (17th ed.) Citation

Gregory, O. B. Books and Writing. Exeter: Wheaton, 1976.

MLA (8th ed.) Citation

Gregory, O. B. Books and Writing. Wheaton, 1976.

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