APA Style
Gilbert, Daniel. (2005).
Stumbling on Happiness .
United States:
Vintage Books.
Chicago Style
Gilbert, Daniel.
Stumbling on Happiness.
United States:
Vintage Books,
2005.
Text.
MLA Style
Gilbert, Daniel.
Stumbling on Happiness.
United States:
Vintage Books,
2005.
Text.
Turabian Style
Gilbert, Daniel.
Stumbling on Happiness.
United States:
Vintage Books,
2005.
Print.