APA (7th ed.) Citation

Geffner, A. B. (2000). How to write better business letters (3rd ed.). Barron's.

Chicago Style (17th ed.) Citation

Geffner, Andrea B. How to Write Better Business Letters. 3rd ed. Hauppauge, N.Y: Barron's, 2000.

MLA (9th ed.) Citation

Geffner, Andrea B. How to Write Better Business Letters. 3rd ed. Barron's, 2000.