APA Style
Klaas, Joe. (1982).
The 12 Steps to Happiness .
United States of america:
Hazelden.
Chicago Style
Klaas, Joe.
The 12 Steps to Happiness.
United States of america:
Hazelden,
1982.
Text.
MLA Style
Klaas, Joe.
The 12 Steps to Happiness.
United States of america:
Hazelden,
1982.
Text.
Turabian Style
Klaas, Joe.
The 12 Steps to Happiness.
United States of america:
Hazelden,
1982.
Print.