APA (7th ed.) Citation

St. Maur, S., & Butman, J. (1991). Writing words that sell. Mercury Books.

Chicago Style (17th ed.) Citation

St. Maur, Suzan, and John Butman. Writing Words That Sell. London: Mercury Books, 1991.

MLA (9th ed.) Citation

St. Maur, Suzan, and John Butman. Writing Words That Sell. Mercury Books, 1991.