APA (7th ed.) Citation

Droste, R. L., & Schiller, E. J. (1982). Water supply and sanitation in developing countries. Ann Arbor Science.

Chicago Style (17th ed.) Citation

Droste, Ronald L., and Eric J. Schiller. Water Supply and Sanitation in Developing Countries. Ann Arbor, Mich: Ann Arbor Science, 1982.

MLA (9th ed.) Citation

Droste, Ronald L., and Eric J. Schiller. Water Supply and Sanitation in Developing Countries. Ann Arbor Science, 1982.