Cita APA (7a ed.)

U.S. Department of Commerce. National Bureau of Standards & Conference on Publicly Supplied Potable Water (April 14-15 1981: Denver). (1982). Proceedings of the National Water Conservation. U.S. Government Printing Office.

Cita Chicago Style (17a ed.)

U.S. Department of Commerce. National Bureau of Standards y Conference on Publicly Supplied Potable Water (April 14-15 1981: Denver). Proceedings of the National Water Conservation. Washington: U.S. Government Printing Office, 1982.

Cita MLA (8a ed.)

U.S. Department of Commerce. National Bureau of Standards y Conference on Publicly Supplied Potable Water (April 14-15 1981: Denver). Proceedings of the National Water Conservation. U.S. Government Printing Office, 1982.