APA
Kinney J., .Diary of a Wimpy Kid 1. Great Britain: Puffinbooks.
Chicago
Kinney Jeff, .Diary of a Wimpy Kid 1. Great Britain: Puffinbooks.
Harvard
Kinney J., .Diary of a Wimpy Kid 1. Great Britain: Puffinbooks.
MLA
Kinney Jeff, .Great Britain: Puffinbooks. .