Cita APA

Thomas, W. A. (1974). Indicators of environmental quality: Proceedings of a symposium held during the AAAS meeting in Philadelphia, Pennylvania, december 26-31,1971. New York: Plenum.

Citación estilo Chicago

Thomas, William A. Indicators of Environmental Quality: Proceedings of a Symposium Held During the AAAS Meeting in Philadelphia, Pennylvania, December 26-31,1971. New York: Plenum, 1974.

Cita MLA

Thomas, William A. Indicators of Environmental Quality: Proceedings of a Symposium Held During the AAAS Meeting in Philadelphia, Pennylvania, December 26-31,1971. New York: Plenum, 1974.