APA (7th ed.) Citation

Walliams, D. (2012). Gangsta granny. HarperCollins Children's Books.

Chicago Style (17th ed.) Citation

Walliams, David. Gangsta Granny. London: HarperCollins Children's Books, 2012.

MLA (9th ed.) Citation

Walliams, David. Gangsta Granny. HarperCollins Children's Books, 2012.

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