Cita APA

Asociación Estadounidense de Salud Pública, American Water Works Association, Water Environment Federation, & Franson, M. A. H. (2005). Standard methods for the examination of water and wastewater (21. edition.). Washington, D.C.: American Public Health Association.

Citación estilo Chicago

Asociación Estadounidense de Salud Pública, American Water Works Association, Water Environment Federation, y Mary Ann H. Franson. Standard Methods for the Examination of Water and Wastewater. 21. edition. Washington, D.C.: American Public Health Association, 2005.

Cita MLA

Asociación Estadounidense de Salud Pública, American Water Works Association, Water Environment Federation, y Mary Ann H. Franson. Standard Methods for the Examination of Water and Wastewater. 21. edition. Washington, D.C.: American Public Health Association, 2005.