APA (7th ed.) Citation

Kinney, J. (2017). DIARY of a Wimpy Kid: OLD SCHOOL. Puffin Books.

Chicago Style (17th ed.) Citation

Kinney, Jeff. DIARY of a Wimpy Kid: OLD SCHOOL. London: Puffin Books, 2017.

MLA (9th ed.) Citation

Kinney, Jeff. DIARY of a Wimpy Kid: OLD SCHOOL. Puffin Books, 2017.

Warning: These citations may not always be 100% accurate.