APA (7th ed.) Citation

Teckentrup, B. (2008). Grumpy cat (1. publ. in Great Britain.). Boxer Books.

Chicago Style (17th ed.) Citation

Teckentrup, Britta. Grumpy Cat. 1. publ. in Great Britain. [London]: Boxer Books, 2008.

MLA (9th ed.) Citation

Teckentrup, Britta. Grumpy Cat. 1. publ. in Great Britain. Boxer Books, 2008.

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