APA(7版)引用形式

Numeroff, L. J., & McPhail, D. (2006). When sheep sleep. Abrams Books for Young Readers.

Chicagoスタイル(17版)引用形式

Numeroff, Laura Joffe, , David McPhail. When Sheep Sleep. New York: Abrams Books for Young Readers, 2006.

MLA(8版)引用形式

Numeroff, Laura Joffe, , David McPhail. When Sheep Sleep. Abrams Books for Young Readers, 2006.