APA

Gang-Len Chang, Carter E. C. & Chao-Hua Chen. (1991). Safety impacts of the 65-mph speed limit on interstate highways. Washington DC: AAA Foundation for Traffic Safety.

Chicago

Gang-Len Chang, Carter Everett C and Chao-Hua Chen. 1991. Safety impacts of the 65-mph speed limit on interstate highways. Washington DC: AAA Foundation for Traffic Safety.

Harvard

Gang-Len Chang, Carter E. C. and Chao-Hua Chen. (1991). Safety impacts of the 65-mph speed limit on interstate highways. Washington DC: AAA Foundation for Traffic Safety.

MLA

Gang-Len Chang, Carter Everett C and Chao-Hua Chen. Safety impacts of the 65-mph speed limit on interstate highways. Washington DC: AAA Foundation for Traffic Safety. 1991.