APA (7th ed.) Citation

USA. (1976). The constitution of the United States of America. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

USA. The Constitution of the United States of America. Washington, D.C: U.S. Government Printing Office, 1976.

MLA (9th ed.) Citation

USA. The Constitution of the United States of America. U.S. Government Printing Office, 1976.

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