APA (7th ed.) Citation

(1968). United States government correspondence manual. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

United States Government Correspondence Manual. Washington: U.S. Government Printing Office, 1968.

MLA (9th ed.) Citation

United States Government Correspondence Manual. U.S. Government Printing Office, 1968.

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