APA (7th ed.) Citation

Mahy, M., & Craig, H. (1991). Jam / illustrated by Helen Craig. Little Mammoth.

Chicago Style (17th ed.) Citation

Mahy, Margaret, and Helen Craig. Jam / Illustrated by Helen Craig. London: Little Mammoth, 1991.

MLA (9th ed.) Citation

Mahy, Margaret, and Helen Craig. Jam / Illustrated by Helen Craig. Little Mammoth, 1991.

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