APA (7th ed.) Citation

Dunbar Polly. (2014). Penguin. Walker books.

Chicago Style (17th ed.) Citation

Dunbar Polly. Penguin. London: Walker books, 2014.

MLA (9th ed.) Citation

Dunbar Polly. Penguin. Walker books, 2014.

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