APA (7th ed.) Citation

Hemsley, A. (1980). Psychology of closing sales. Dible Management Development Institute.

Chicago Style (17th ed.) Citation

Hemsley, Aaron. Psychology of Closing Sales. Fairfield, CA: Dible Management Development Institute, 1980.

MLA (9th ed.) Citation

Hemsley, Aaron. Psychology of Closing Sales. Dible Management Development Institute, 1980.

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