APA Style

Numeroff, Laura, McPhail, David. (2006). When Sheep Sleep . United State of America: Abrams Books.

Chicago Style

Numeroff, Laura, McPhail, David. When Sheep Sleep. United State of America: Abrams Books, 2006. Text.

MLA Style

Numeroff, Laura, McPhail, David. When Sheep Sleep. United State of America: Abrams Books, 2006. Text.

Turabian Style

Numeroff, Laura, McPhail, David. When Sheep Sleep. United State of America: Abrams Books, 2006. Print.