Cita APA

Thomas, W. A. (1974). Indicators of enviromental quality: Proceedings of a symposium held during the AAAS meeting in Philadelphia Pa. 1971. New York: Plenum Press.

Citación estilo Chicago

Thomas, William A. Indicators of Enviromental Quality: Proceedings of a Symposium Held During the AAAS Meeting in Philadelphia Pa. 1971. New York: Plenum Press, 1974.

Cita MLA

Thomas, William A. Indicators of Enviromental Quality: Proceedings of a Symposium Held During the AAAS Meeting in Philadelphia Pa. 1971. New York: Plenum Press, 1974.