Ewald, W. R. (1968). Environment and change: The next fifty years. Bloomington: Indiana University.
Chicago Style CitationEwald, William R. Environment and Change: The Next Fifty Years. Bloomington: Indiana University, 1968.
MLA CitationEwald, William R. Environment and Change: The Next Fifty Years. Bloomington: Indiana University, 1968.
Warning: These citations may not always be 100% accurate.