APA Style

Faulkner, K., Lambert, J. (1996). The wide-mouthed frog : a pop-up book . New York, USA: Dial Books for Young Readers.

MLA Style

Faulkner, Keith., Lambert, Jonathan. "The wide-mouthed frog : a pop-up book". New York, USA: Dial Books for Young Readers, 1996. Text.