APA (7th ed.) Citation

Pamela Thorne. (2009). How much can a koala bear?: A guide to commonly confused words. Viva Books.

Chicago Style (17th ed.) Citation

Pamela Thorne. How Much Can a Koala Bear?: A Guide to Commonly Confused Words. Bondi Junction, N.S.W: Viva Books, 2009.

MLA (9th ed.) Citation

Pamela Thorne. How Much Can a Koala Bear?: A Guide to Commonly Confused Words. Viva Books, 2009.