APA
Illinois. Department of Transportation, . (1973). Excerpts from the Illinois vehicle code, 1973 ed, pertaining to motorcycle safety. Springfield, Ill: Illinois. Department of Transportation.
Chicago
Illinois. Department of Transportation, . 1973. Excerpts from the Illinois vehicle code, 1973 ed, pertaining to motorcycle safety. Springfield, Ill: Illinois. Department of Transportation.
Harvard
Illinois. Department of Transportation, . (1973). Excerpts from the Illinois vehicle code, 1973 ed, pertaining to motorcycle safety. Springfield, Ill: Illinois. Department of Transportation.
MLA
Illinois. Department of Transportation, . Excerpts from the Illinois vehicle code, 1973 ed, pertaining to motorcycle safety. Springfield, Ill: Illinois. Department of Transportation. 1973.