APA

Warren R., Simpson H., Hilchie J., Cimbura G., Lucas D. & Bennett R. (1981). Drugs detected in fatally injured drivers in the province of Ontario. : Alcohol, drugs and traffic safety.

Chicago

Warren R, Simpson H, Hilchie J, Cimbura G, Lucas D and Bennett R. 1981. Drugs detected in fatally injured drivers in the province of Ontario. : Alcohol, drugs and traffic safety.

Harvard

Warren R., Simpson H., Hilchie J., Cimbura G., Lucas D. and Bennett R. (1981). Drugs detected in fatally injured drivers in the province of Ontario. : Alcohol, drugs and traffic safety.

MLA

Warren R, Simpson H, Hilchie J, Cimbura G, Lucas D and Bennett R. Drugs detected in fatally injured drivers in the province of Ontario. : Alcohol, drugs and traffic safety. 1981.