APA (7th ed.) Citation

Kinney, J. (2015). Dairy of a wimpy kid: Hard Luck. Penguin Books.

Chicago Style (17th ed.) Citation

Kinney, Jeff. Dairy of a Wimpy Kid: Hard Luck. London: Penguin Books, 2015.

MLA (9th ed.) Citation

Kinney, Jeff. Dairy of a Wimpy Kid: Hard Luck. Penguin Books, 2015.