APA (7th ed.) Citation

De Roo, E., & Duncan, T. (2012). Ophelia Wild, secret spy (1. publ.). Walker Books Australia.

Chicago Style (17th ed.) Citation

De Roo, Elena, and Tracy Duncan. Ophelia Wild, Secret Spy. 1. publ. Newtown, N.S.W: Walker Books Australia, 2012.

MLA (9th ed.) Citation

De Roo, Elena, and Tracy Duncan. Ophelia Wild, Secret Spy. 1. publ. Walker Books Australia, 2012.