APA (7th ed.) Citation

Plotkin, D., & Norris, W. R. (1997). Prefabricated concrete panel railroad crossings with preformed rubber flangeway fillers. U.S. Army Center Public Works.

Chicago Style (17th ed.) Citation

Plotkin, Donald, and William R. Norris. Prefabricated Concrete Panel Railroad Crossings with Preformed Rubber Flangeway Fillers. Alexandria, VA: U.S. Army Center Public Works, 1997.

MLA (9th ed.) Citation

Plotkin, Donald, and William R. Norris. Prefabricated Concrete Panel Railroad Crossings with Preformed Rubber Flangeway Fillers. U.S. Army Center Public Works, 1997.