APA (7th ed.) Citation

Viorst, J., Cornell, K., & Smith, L. (2014). Lulu's mysterious mission (First edition.). Atheneum Books for Young Readers.

Chicago Style (17th ed.) Citation

Viorst, Judith, Kevin Cornell, and Lane Smith. Lulu's Mysterious Mission. First edition. New York: Atheneum Books for Young Readers, 2014.

MLA (8th ed.) Citation

Viorst, Judith, et al. Lulu's Mysterious Mission. First edition. Atheneum Books for Young Readers, 2014.