APA (7e ed.) Bronvermelding

Arnold, T. (2009). Green Wilma, frog in space. Dial Books for Young Readers.

Chicago (17e ed.) Bronvermelding

Arnold, Tedd. Green Wilma, Frog in Space. New York: Dial Books for Young Readers, 2009.

MLA (8e ed.) Bronvermelding

Arnold, Tedd. Green Wilma, Frog in Space. Dial Books for Young Readers, 2009.