Thomas, W. A. (1972). Indicators of Environmental Quality: Proceedings of a symposium held during the AAAS meeting in Philadelphia, Pennsylvania, December 26-31, 1971. Springer US.
Chicago Style (17th ed.) CitationThomas, William A. Indicators of Environmental Quality: Proceedings of a Symposium Held During the AAAS Meeting in Philadelphia, Pennsylvania, December 26-31, 1971. Boston, MA: Springer US, 1972.
MLA (9th ed.) CitationThomas, William A. Indicators of Environmental Quality: Proceedings of a Symposium Held During the AAAS Meeting in Philadelphia, Pennsylvania, December 26-31, 1971. Springer US, 1972.
Warning: These citations may not always be 100% accurate.