Cita APA (7th ed.)

Ludema, K. C., & Gujrati, B. D. (1973). An analysis of the literature on tire-road skid resistance. American Society for Testing and Materials.

Cita Chicago (17th ed.)

Ludema, K. C., i B. D. Gujrati. An Analysis of the Literature on Tire-road Skid Resistance. Philadelphia, Pa.: American Society for Testing and Materials, 1973.

Cita MLA (8th ed.)

Ludema, K. C., i B. D. Gujrati. An Analysis of the Literature on Tire-road Skid Resistance. American Society for Testing and Materials, 1973.