APA (7th ed.) Citation

Ports '89 Boston, Mass, American Society of Civil Engineers. Waterway, Port, Coastal and Ocean Division, American Society of Civil Engineers. Boston Society of Civil Engineers Section, Massachusetts Port Authority, & Childs, K. M. (1989). Ports '89: Proceedings of the conference. American Society of Civil Engineers.

Chicago Style (17th ed.) Citation

Ports '89 Boston, Mass, Port American Society of Civil Engineers. Waterway, American Society of Civil Engineers. Boston Society of Civil Engineers Section, Massachusetts Port Authority, and Kenneth M. Childs. Ports '89: Proceedings of the Conference. New York, N.Y.: American Society of Civil Engineers, 1989.

MLA (9th ed.) Citation

Ports '89 Boston, Mass, et al. Ports '89: Proceedings of the Conference. American Society of Civil Engineers, 1989.