APA (7th ed.) Citation

Peiffer, V. (2002). More positive thinking: How to create a better future for yourself ([ 2nd ed. ].). Thorsons.

Chicago Style (17th ed.) Citation

Peiffer, Vera. More Positive Thinking: How to Create a Better Future for Yourself. [ 2nd ed. ]. London: Thorsons, 2002.

MLA (8th ed.) Citation

Peiffer, Vera. More Positive Thinking: How to Create a Better Future for Yourself. [ 2nd ed. ]. Thorsons, 2002.