APA (7th ed.) Citation

(1912). U.S. Government specifications for Portland cement. [publisher not identified].

Chicago Style (17th ed.) Citation

U.S. Government Specifications for Portland Cement. Washington, D.C.: [publisher not identified], 1912.

MLA (9th ed.) Citation

U.S. Government Specifications for Portland Cement. [publisher not identified], 1912.

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