APA (7th ed.) Citation

Canfield & Switzer. (2005). The success principles: How to get from where you are to where you want to be. Harper Resource Book.

Chicago Style (17th ed.) Citation

Canfield and Switzer. The Success Principles: How to Get from Where You Are to Where You Want to Be. New York: Harper Resource Book, 2005.

MLA (8th ed.) Citation

Canfield and Switzer. The Success Principles: How to Get from Where You Are to Where You Want to Be. Harper Resource Book, 2005.