APA

Current road problems, . (1962). Current practices for highway snow and ice control. Washington DC: Highway Research Board. Current road problems. No 9-4R [Univ. Microfilms].

Chicago

Current road problems, . 1962. Current practices for highway snow and ice control. Washington DC: Highway Research Board. Current road problems. No 9-4R [Univ. Microfilms].

Harvard

Current road problems, . (1962). Current practices for highway snow and ice control. Washington DC: Highway Research Board. Current road problems. No 9-4R [Univ. Microfilms].

MLA

Current road problems, . Current practices for highway snow and ice control. Washington DC: Highway Research Board. Current road problems. No 9-4R [Univ. Microfilms]. 1962.