APA (7th ed.) Citation

Canfield, J. (2000). The power of focus. Heatlth Communications.

Chicago Style (17th ed.) Citation

Canfield, Jack. The Power of Focus. Durfield Beach, FL: Heatlth Communications, 2000.

MLA (9th ed.) Citation

Canfield, Jack. The Power of Focus. Heatlth Communications, 2000.

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