APA (7th ed.) Citation

Banks, J. W. (2009). Liam goes poo in the toilet: A story about trouble with toilet training. Jessica Kingsley Publishers.

Chicago Style (17th ed.) Citation

Banks, Jane Whelen. Liam Goes Poo in the Toilet: A Story About Trouble with Toilet Training. London: Jessica Kingsley Publishers, 2009.

MLA (9th ed.) Citation

Banks, Jane Whelen. Liam Goes Poo in the Toilet: A Story About Trouble with Toilet Training. Jessica Kingsley Publishers, 2009.