APA (7th ed.) Citation

Summers & Watson. (2006). The book of happiness: Brilliant I deas to transform your life. Capstone Publishing Limited.

Chicago Style (17th ed.) Citation

Summers and Watson. The Book of Happiness: Brilliant I Deas to Transform Your Life. West Sussex: Capstone Publishing Limited, 2006.

MLA (8th ed.) Citation

Summers and Watson. The Book of Happiness: Brilliant I Deas to Transform Your Life. Capstone Publishing Limited, 2006.