APA (7th ed.) Citation

Look, L., & Wilsdorf, A. (2006). Ruby Lu, empress of everything. Atheneum Books for Young Readers.

Chicago Style (17th ed.) Citation

Look, Lenore, and Anne Wilsdorf. Ruby Lu, Empress of Everything. New York: Atheneum Books for Young Readers, 2006.

MLA (8th ed.) Citation

Look, Lenore, and Anne Wilsdorf. Ruby Lu, Empress of Everything. Atheneum Books for Young Readers, 2006.

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