APA (7th ed.) Citation

Dwyer, J. R., & Hitchcock, F. A. (1926). Properties and manufacture of concrete building units. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Dwyer, John Rochford, and Frank Artemas Hitchcock. Properties and Manufacture of Concrete Building Units. [Washington?]: U.S. Government Printing Office, 1926.

MLA (9th ed.) Citation

Dwyer, John Rochford, and Frank Artemas Hitchcock. Properties and Manufacture of Concrete Building Units. U.S. Government Printing Office, 1926.