APA (7th ed.) Citation

(1928). Alphabetical index and numerical list of U.S. Government master specifications, promulgated by Federal Specifications Board (complete to June 30, 1928). GPO.

Chicago Style (17th ed.) Citation

Alphabetical Index and Numerical List of U.S. Government Master Specifications, Promulgated by Federal Specifications Board (complete to June 30, 1928). [Washington]: GPO, 1928.

MLA (9th ed.) Citation

Alphabetical Index and Numerical List of U.S. Government Master Specifications, Promulgated by Federal Specifications Board (complete to June 30, 1928). GPO, 1928.