APA (7th ed.) Citation

Niven. (2005). The 100 simple secrets of successful people: What scientists have learned and how you can use it. Capstone.

Chicago Style (17th ed.) Citation

Niven. The 100 Simple Secrets of Successful People: What Scientists Have Learned and How You Can Use It. Chichester: Capstone, 2005.

MLA (8th ed.) Citation

Niven. The 100 Simple Secrets of Successful People: What Scientists Have Learned and How You Can Use It. Capstone, 2005.