APA (7th ed.) Citation

Hartman, J. E. (1967). Directory of United States standardization activities / by J.E. Hartman. U.S.G.P.O..

Chicago Style (17th ed.) Citation

Hartman, J. E. Directory of United States Standardization Activities / by J.E. Hartman. U.S.G.P.O., 1967.

MLA (9th ed.) Citation

Hartman, J. E. Directory of United States Standardization Activities / by J.E. Hartman. U.S.G.P.O., 1967.

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