APA (7th ed.) Citation

Roberts, M. D. (1962). Promises to keep. Duell, Sloan and Pearce.

Chicago Style (17th ed.) Citation

Roberts, Mary D. Promises to Keep. New York: Duell, Sloan and Pearce, 1962.

MLA (9th ed.) Citation

Roberts, Mary D. Promises to Keep. Duell, Sloan and Pearce, 1962.

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