APA (7th ed.) Citation

United States. Department of Agriculture. (1912). Physical testing of rock for road building, including methods used and results obtained. GPO.

Chicago Style (17th ed.) Citation

United States. Department of Agriculture. Physical Testing of Rock for Road Building, Including Methods Used and Results Obtained. [Washington]: GPO, 1912.

MLA (9th ed.) Citation

United States. Department of Agriculture. Physical Testing of Rock for Road Building, Including Methods Used and Results Obtained. GPO, 1912.