Cita APA (7a ed.)

Barcelona, M., Keely, J. F., & Pettyjohn, W. A. (1990). Contamination of ground water: Prevention, assessment, restoration. Noyes data corp.

Cita Chicago Style (17a ed.)

Barcelona, Michael, Joseph F. Keely, y Wayne A. Pettyjohn. Contamination of Ground Water: Prevention, Assessment, Restoration. New Jersey: Noyes data corp, 1990.

Cita MLA (9a ed.)

Barcelona, Michael, et al. Contamination of Ground Water: Prevention, Assessment, Restoration. Noyes data corp, 1990.