APA (7th ed.) Citation

Kummer, H. W. (1966). Unified theory of rubber and tire friction. Pennsylvania State University, College of Engineering.

Chicago Style (17th ed.) Citation

Kummer, Hartwig W. Unified Theory of Rubber and Tire Friction. University Park: Pennsylvania State University, College of Engineering, 1966.

MLA (9th ed.) Citation

Kummer, Hartwig W. Unified Theory of Rubber and Tire Friction. Pennsylvania State University, College of Engineering, 1966.