APA (7th ed.) Citation

Ellifritt, D. S. (1974). An inventory of historic engineering sites in Oklahoma. School of Civil Engineering, Oklahoma State University.

Chicago Style (17th ed.) Citation

Ellifritt, Duane S. An Inventory of Historic Engineering Sites in Oklahoma. Stillwater, Okla.: School of Civil Engineering, Oklahoma State University, 1974.

MLA (9th ed.) Citation

Ellifritt, Duane S. An Inventory of Historic Engineering Sites in Oklahoma. School of Civil Engineering, Oklahoma State University, 1974.