APA (7th ed.) Citation

Ostler, G., & Coulson, J. (1969). The Reader's digest pocket dictionary of current English (4th ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Ostler, George, and Jessie Coulson. The Reader's Digest Pocket Dictionary of Current English. 4th ed. Oxford: Oxford University Press, 1969.

MLA (8th ed.) Citation

Ostler, George, and Jessie Coulson. The Reader's Digest Pocket Dictionary of Current English. 4th ed. Oxford University Press, 1969.