APA (7th ed.) Citation

Mekemson, J. R., & Stafford, G. K. (1979). Traffic speed report no. 107: Interim report. Purdue University.

Chicago Style (17th ed.) Citation

Mekemson, J. R., and G. K. Stafford. Traffic Speed Report No. 107: Interim Report. Lafayette: Purdue University, 1979.

MLA (9th ed.) Citation

Mekemson, J. R., and G. K. Stafford. Traffic Speed Report No. 107: Interim Report. Purdue University, 1979.