The Great Lakes transportation system /
by Eric Schenker, Harold M. Mayer, Harry C. Brockel.

APA Citation

Schenker, E., Brockel, H. C., Mayer, H. M. (Harold Melvin). (1976). The Great Lakes transportation system. Madison, Wis.: University of Wisconsin Sea Grant College Program.

MLA Citation

Schenker, Eric, 1931-, Harry C Brockel, and Harold M. (Harold Melvin) Mayer. The Great Lakes Transportation System. Madison, Wis.: University of Wisconsin Sea Grant College Program, 1976.

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