Edwards, M. D., Putnam, A. L., & Hutchison, N. E. (1987). Conceptual design for the National Water Information System: An overview of the online relational data base that is scheduled to replace and augment existing water-resource information services operated by the Survey's Water Resources Division. United States Gov. Print. Off.
Chicago Style (17th ed.) CitationEdwards, Melvin D., Arthur L. Putnam, and Norman E. Hutchison. Conceptual Design for the National Water Information System: An Overview of the Online Relational Data Base That Is Scheduled to Replace and Augment Existing Water-resource Information Services Operated by the Survey's Water Resources Division. Washington: United States Gov. Print. Off, 1987.
MLA (9th ed.) CitationEdwards, Melvin D., et al. Conceptual Design for the National Water Information System: An Overview of the Online Relational Data Base That Is Scheduled to Replace and Augment Existing Water-resource Information Services Operated by the Survey's Water Resources Division. United States Gov. Print. Off, 1987.