Irrigation and drainage :
proceedings of the 1990 National Conference /
sponsored by the Irrigation and Drainage Division of the American Society of Civil Engineers in cooperation with Colorado Division of Water Resources ... [et al], Durango, Colorado, July 11-13, 1990 ; edited by Steven C. Harris.

APA Citation

Harris, S., American Society of Civil Engineers. Irrigation and Drainage Division. (1990). Irrigation and drainage: proceedings of the 1990 National Conference. New York, N.Y.: The Society.

MLA Citation

Harris, Steven, and American Society of Civil Engineers. Irrigation and Drainage Division. Irrigation And Drainage: Proceedings of the 1990 National Conference. New York, N.Y.: The Society, 1990.

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