After the great flood :
exposures in the emergency spillway, Saylorville Dam /
edited by E.A. Bettis III, T.J. Kemmis, and B.J. Witzke.
APA Citation
Witzke, B. J., Kemmis, T. J. (Timothy Joe)., Bettis, E. A., Geological Society of Iowa. (1985). After the great flood: exposures in the emergency spillway, Saylorville Dam. [Iowa City, Iowa?]: Geological Society of Iowa.
MLA Citation
Witzke, Brian J, Timothy J. (Timothy Joe) Kemmis, Elmer A Bettis, and Geological Society of Iowa. After the Great Flood: Exposures In the Emergency Spillway, Saylorville Dam. [Iowa City, Iowa?]: Geological Society of Iowa, 1985.
Warning: These citations may not always be complete (especially for serials).