APA (7th ed.) Citation

Timko, R. J., & Thimons, E. D. (1983). Techniques for constructing concrete block stoppings. U.S. Dept. of the Interior.

Chicago Style (17th ed.) Citation

Timko, Robert J., and Edward D. Thimons. Techniques for Constructing Concrete Block Stoppings. [Washington, D.C.?]: U.S. Dept. of the Interior, 1983.

MLA (9th ed.) Citation

Timko, Robert J., and Edward D. Thimons. Techniques for Constructing Concrete Block Stoppings. U.S. Dept. of the Interior, 1983.