APA (7th ed.) Citation

Ullman, G. L. (1994). Retroreflective raised pavement markers: A two-year field evaluation in Texas. Texas Transportation Institute, the Texas A&M University System ; [Available through the National Technical Information Service].

Chicago Style (17th ed.) Citation

Ullman, Gerald L. Retroreflective Raised Pavement Markers: A Two-year Field Evaluation in Texas. College Station, TX : [Springfield, Va.]: Texas Transportation Institute, the Texas A&M University System ; [Available through the National Technical Information Service], 1994.

MLA (9th ed.) Citation

Ullman, Gerald L. Retroreflective Raised Pavement Markers: A Two-year Field Evaluation in Texas. Texas Transportation Institute, the Texas A&M University System ; [Available through the National Technical Information Service], 1994.