APA (7th ed.) Citation

ALLEN. (1989). Selling (3rd ed.). Pitman Publishing.

Chicago Style (17th ed.) Citation

ALLEN. Selling. 3rd ed. London: Pitman Publishing, 1989.

MLA (8th ed.) Citation

ALLEN. Selling. 3rd ed. Pitman Publishing, 1989.

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