Human activity and environmental processes /
edited by K.J. Gregory and D.E. Walling.

APA Citation

Walling, D. E., Gregory, K. J. (Kenneth John). (1987). Human activity and environmental processes. Chichester: Wiley.

MLA Citation

Walling, D. E, and K. J. (Kenneth John) Gregory. Human Activity And Environmental Processes. Chichester: Wiley, 1987.

Warning: These citations may not always be complete (especially for serials).