APA (7th ed.) Citation

Kinney,Jeff. (2018). Diary of a Wimpy Kid: Double down. Puffin Books.

Chicago Style (17th ed.) Citation

Kinney,Jeff. Diary of a Wimpy Kid: Double Down. Great Britain: Puffin Books, 2018.

MLA (9th ed.) Citation

Kinney,Jeff. Diary of a Wimpy Kid: Double Down. Puffin Books, 2018.

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