APA (7th ed.) Citation

Unger, B., & Wallis, B. (2015). Penguin post office. PBS Distribution.

Chicago Style (17th ed.) Citation

Unger, Brian, and Ben Wallis. Penguin Post Office. [United States]: PBS Distribution, 2015.

MLA (8th ed.) Citation

Unger, Brian, and Ben Wallis. Penguin Post Office. PBS Distribution, 2015.

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