APA (7th ed.) Citation

United States. Army. Corps of Engineers. (1993). Interpretive Services and Outreach Program (ISOP). US Army Corps of Engineers.

Chicago Style (17th ed.) Citation

United States. Army. Corps of Engineers. Interpretive Services and Outreach Program (ISOP). [Washington, D.C.]: US Army Corps of Engineers, 1993.

MLA (9th ed.) Citation

United States. Army. Corps of Engineers. Interpretive Services and Outreach Program (ISOP). US Army Corps of Engineers, 1993.

Warning: These citations may not always be 100% accurate.