APA (7th ed.) Citation

Clifford, T., Mitten, L., & Sturm, K. (2008). Rourke's world of science encyclopedia: Volume 4-Earth science. Rourke Pub.LLC.

Chicago Style (17th ed.) Citation

Clifford, Tim, Luana Mitten, and Kurt Sturm. Rourke's World of Science Encyclopedia: Volume 4-Earth Science. Florida: Rourke Pub.LLC, 2008.

MLA (9th ed.) Citation

Clifford, Tim, et al. Rourke's World of Science Encyclopedia: Volume 4-Earth Science. Rourke Pub.LLC, 2008.