APA (7th ed.) Citation

Riddell, C. (2009). Ottoline goes to school (1st American ed.). Harper.

Chicago Style (17th ed.) Citation

Riddell, Chris. Ottoline Goes to School. 1st American ed. New York: Harper, 2009.

MLA (8th ed.) Citation

Riddell, Chris. Ottoline Goes to School. 1st American ed. Harper, 2009.

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