APA (7th ed.) Citation

Girard, J., & Shook, R. L. (1989). How to close every sale. Piatkus.

Chicago Style (17th ed.) Citation

Girard, Joe, and Robert L. Shook. How to Close Every Sale. London: Piatkus, 1989.

MLA (9th ed.) Citation

Girard, Joe, and Robert L. Shook. How to Close Every Sale. Piatkus, 1989.

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