APA (7th ed.) Citation

United States. Department of State. (1918). Department of State style book. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Department of State. Department of State Style Book. Washington: U.S. GPO, 1918.

MLA (9th ed.) Citation

United States. Department of State. Department of State Style Book. U.S. GPO, 1918.

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