APA (7th ed.) Citation

United States. Army. Corps of Engineers. (1971). Recreation: Civil works projects. U.S. Govt. Print. Office.

Chicago Style (17th ed.) Citation

United States. Army. Corps of Engineers. Recreation: Civil Works Projects. Washington: U.S. Govt. Print. Office, 1971.

MLA (9th ed.) Citation

United States. Army. Corps of Engineers. Recreation: Civil Works Projects. U.S. Govt. Print. Office, 1971.

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