Rubin, G. (2018). The happiness project, tenth anniversary edition: Or, why i spent a year trying to sing in the morning, clean my closets, fight right, read aristotle, and generally have more fun.
Cita Chicago Style (17a ed.)Rubin, Gretchen. The Happiness Project, Tenth Anniversary Edition: Or, Why I Spent a Year Trying to Sing in the Morning, Clean My Closets, Fight Right, Read Aristotle, and Generally Have More Fun. 2018.
Cita MLA (8a ed.)Rubin, Gretchen. The Happiness Project, Tenth Anniversary Edition: Or, Why I Spent a Year Trying to Sing in the Morning, Clean My Closets, Fight Right, Read Aristotle, and Generally Have More Fun. 2018.
Precaución: Estas citas no son 100% exactas.