APA (7th ed.) Citation

Butterworth, C., & Nelms, K. (2014). See what a seal can do. Walker Books Ltd..

Chicago Style (17th ed.) Citation

Butterworth, Chris, and Kate Nelms. See What a Seal Can Do. London: Walker Books Ltd., 2014.

MLA (9th ed.) Citation

Butterworth, Chris, and Kate Nelms. See What a Seal Can Do. Walker Books Ltd., 2014.

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