APA (7th ed.) Citation

Johnson, L., & Powell, F. M. (2016). Environmental law. Cengage Learning.

Chicago Style (17th ed.) Citation

Johnson, Lisa, and Frona M. Powell. Environmental Law. Boston, MA: Cengage Learning, 2016.

MLA (9th ed.) Citation

Johnson, Lisa, and Frona M. Powell. Environmental Law. Cengage Learning, 2016.