APA (7th ed.) Citation

Geffner, A. B. (1998). Business letters the easy way (3rd ed.). Barron's.

Chicago Style (17th ed.) Citation

Geffner, Andrea B. Business Letters the Easy Way. 3rd ed. Hauppauge, N.Y: Barron's, 1998.

MLA (9th ed.) Citation

Geffner, Andrea B. Business Letters the Easy Way. 3rd ed. Barron's, 1998.