APA (7th ed.) Citation

Hemphill, P. D., & McCormick, D. W. (1991). Business communications with writing improvement exercises (4th ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Hemphill, Phyllis Davis, and Donald W. McCormick. Business Communications with Writing Improvement Exercises. 4th ed. Englewood Cliffs, N.J: Prentice Hall, 1991.

MLA (9th ed.) Citation

Hemphill, Phyllis Davis, and Donald W. McCormick. Business Communications with Writing Improvement Exercises. 4th ed. Prentice Hall, 1991.