APA Citation

Ewald, W. R. (1968). Environment and change: The next fifty years. Bloomington: Indiana University.

Chicago Style Citation

Ewald, William R. Environment and Change: The Next Fifty Years. Bloomington: Indiana University, 1968.

MLA Citation

Ewald, William R. Environment and Change: The Next Fifty Years. Bloomington: Indiana University, 1968.

Warning: These citations may not always be 100% accurate.