Preparing for construction in the 21st century :
proceedings of Construction Congress '91 /
sponsored by the Construction Division of the American Society of Civil Engineers ... [et al.], Cambridge, Massachusetts, April 13-16, 1991 ; edited by Luh-Maan Chang.

APA Citation

Construction Congress (2nd : 1991 : Cambridge, M., Chang, L. M., American Society of Civil Engineers. Construction Division. (1991). Preparing for construction in the 21st century: proceedings of Construction Congress '91. New York, N.Y.: American Society of Civil Engineers.

MLA Citation

Construction Congress (2nd : 1991 : Cambridge, Mass.), Luh M Chang, and American Society of Civil Engineers. Construction Division. Preparing for Construction In the 21st Century: Proceedings of Construction Congress '91. New York, N.Y.: American Society of Civil Engineers, 1991.

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