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. https://doi.org/10.1007/978-1-4684-2856-8
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. https://doi.org/10.1007/978-1-4684-2856-8.
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. https://doi.org/10.1007/978-1-4684-2856-8.
Warning: These citations may not always be 100% accurate.