Cita APA
American Water Works Association, Valentine, M., & Armstrong, C. (2014). Groundwater (Fourth edition.). American Water Works Association.
Citación estilo Chicago
American Water Works Association, Melissa Valentine, and Cheryl Armstrong. Groundwater. Fourth edition. Denver, Colorado: American Water Works Association, 2014.
Cita MLA
American Water Works Association, et al. Groundwater. Fourth edition. American Water Works Association, 2014.
Warning: These citations may not always be 100% accurate.