APA (7th ed.) Citation

Leeds. (2000). The 7 powers of questions: Secrets to successful communication in life and at work. A Perigee Book.

Chicago Style (17th ed.) Citation

Leeds. The 7 Powers of Questions: Secrets to Successful Communication in Life and at Work. New York: A Perigee Book, 2000.

MLA (8th ed.) Citation

Leeds. The 7 Powers of Questions: Secrets to Successful Communication in Life and at Work. A Perigee Book, 2000.

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