APA (7th ed.) Citation

Seglin, J. L., & Coleman, E. (2012). The AMA handbook of business letters (4th ed.). AMACOM.

Chicago Style (17th ed.) Citation

Seglin, Jeffrey L., and Edward Coleman. The AMA Handbook of Business Letters. 4th ed. New York: AMACOM, 2012.

MLA (9th ed.) Citation

Seglin, Jeffrey L., and Edward Coleman. The AMA Handbook of Business Letters. 4th ed. AMACOM, 2012.