Cita APA

Stark, J., & Stark, J. (2000). Water quality in the Upper Mississippi River Basin, Minnesota, Wisconsin, South Dakota, Iowa, and North Dakota, 1995-98. Denver, Colo.: Departamento of the Interior, U.S. Geological Survey.

Citación estilo Chicago

Stark, J.R., y J.R Stark. Water Quality in the Upper Mississippi River Basin, Minnesota, Wisconsin, South Dakota, Iowa, and North Dakota, 1995-98. Denver, Colo.: Departamento of the Interior, U.S. Geological Survey, 2000.

Cita MLA

Stark, J.R., y J.R Stark. Water Quality in the Upper Mississippi River Basin, Minnesota, Wisconsin, South Dakota, Iowa, and North Dakota, 1995-98. Denver, Colo.: Departamento of the Interior, U.S. Geological Survey, 2000.