APA (7th ed.) Citation

Loffel, E. W. (1977). Protecting your business. D. McKay.

Chicago Style (17th ed.) Citation

Loffel, Egon W. Protecting Your Business. New York: D. McKay, 1977.

MLA (9th ed.) Citation

Loffel, Egon W. Protecting Your Business. D. McKay, 1977.