Cita APA

Sanders, J. H., & Sanders, J. H. (1973). Speed profiles and time delay at railhighway grade crossings. Springfield Va.: National Technical Information Service U S, Departamento of Commerce.

Citación estilo Chicago

Sanders, James H., y James H. Sanders. Speed Profiles and Time Delay At Railhighway Grade Crossings. Springfield Va.: National Technical Information Service U S, Departamento of Commerce, 1973.

Cita MLA

Sanders, James H., y James H. Sanders. Speed Profiles and Time Delay At Railhighway Grade Crossings. Springfield Va.: National Technical Information Service U S, Departamento of Commerce, 1973.