APA (7th ed.) Citation

Oppel, K. (2011). This dark endeavor. Simon & Schuster Books for Young Readers.

Chicago Style (17th ed.) Citation

Oppel, Kenneth. This Dark Endeavor. New York: Simon & Schuster Books for Young Readers, 2011.

MLA (8th ed.) Citation

Oppel, Kenneth. This Dark Endeavor. Simon & Schuster Books for Young Readers, 2011.

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