Cherts of southern Ontario /
Betty E. Eley and Peter H. von Bitter.

APA Citation

Eley, B. E., Von Bitter, P. H., Royal Ontario Museum. (1989). Cherts of southern Ontario. Toronto: Royal Ontario Museum.

MLA Citation

Eley, Betty E., 1922-, Peter H Von Bitter, and Royal Ontario Museum. Cherts of Southern Ontario. Toronto: Royal Ontario Museum, 1989.

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