APA Style

Rubin, G. (2019). The Happiness Project: Or, Why I Spent a Year Trying to Sing in the Morning, Clean My Closets, Fight Right, Read Aristotle, and Generally Have More Fun . New York: Harper Collins.

MLA Style

Rubin, Gretchen. "The Happiness Project: Or, Why I Spent a Year Trying to Sing in the Morning, Clean My Closets, Fight Right, Read Aristotle, and Generally Have More Fun". New York: Harper Collins, 2019. Printed Book.