APA (7th ed.) Citation

Roberts,David. (2002). Dirty Bertie. Koala Books.

Chicago Style (17th ed.) Citation

Roberts,David. Dirty Bertie. Australia: Koala Books, 2002.

MLA (9th ed.) Citation

Roberts,David. Dirty Bertie. Koala Books, 2002.

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