APA (7th ed.) Citation

Viorst, J., & Smith, L. (2012). Lulu and the brontosaurus. Atheneum Books for Young Readers.

Chicago Style (17th ed.) Citation

Viorst, Judith, and Lane Smith. Lulu and the Brontosaurus. New York: Atheneum Books for Young Readers, 2012.

MLA (9th ed.) Citation

Viorst, Judith, and Lane Smith. Lulu and the Brontosaurus. Atheneum Books for Young Readers, 2012.

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