[presented by] University of Wisconsin--Extension, Chaska Chemical Co., Inc., Friday Canning Corporation ; produced by Joseph Seitz ; directed by Steve Ingham
a production of Public Affairs Television, Inc. ; written by Bill Moyers, David Brancaccio, Judy Stoeven Davies ; directed by Mark Ganguzza ; a presentation of Thirteen/WNET New York
a film by Maria Finitzo ; executive producer, Gordon Quinn ; produced in association with The British Broadcasting Corporation, The Canadian Broadcasting Corporation, SBS-TV Australia ; produced by Kartemquin Educational Films, Inc