APA Style

Fruehling, R, T. (1987). Business Correspondence : Essential Of Comunication Ed.4 (4). New York: McGRAW-HILL INTERNATIONAL EDITIONS.

MLA Style

Fruehling, Rosemary, T. "Business Correspondence : Essential Of Comunication Ed.4". 4 New York: McGRAW-HILL INTERNATIONAL EDITIONS, 1987. Text.