APA (7th ed.) Citation

Katz, B. (1989). Selling professional services (2nd ed.). Gower.

Chicago Style (17th ed.) Citation

Katz, Bernard. Selling Professional Services. 2nd ed. Aldershot, Eng.: Gower, 1989.

MLA (9th ed.) Citation

Katz, Bernard. Selling Professional Services. 2nd ed. Gower, 1989.

Warning: These citations may not always be 100% accurate.