APA

McKenzie L., . (1972). Experimental paved shoulders on frost susceptible soils. Springfield, IL: Illinois Department of Transportation. Research and development report no 39.

Chicago

McKenzie LJ, . 1972. Experimental paved shoulders on frost susceptible soils. Springfield, IL: Illinois Department of Transportation. Research and development report no 39.

Harvard

McKenzie L., . (1972). Experimental paved shoulders on frost susceptible soils. Springfield, IL: Illinois Department of Transportation. Research and development report no 39.

MLA

McKenzie LJ, . Experimental paved shoulders on frost susceptible soils. Springfield, IL: Illinois Department of Transportation. Research and development report no 39. 1972.