APA

Transportation Research Board. Special report nr 174, . (1977). Rail transport research needs. Washington DC: Transportation Research Board. Special report nr 174.

Chicago

Transportation Research Board. Special report nr 174, . 1977. Rail transport research needs. Washington DC: Transportation Research Board. Special report nr 174.

Harvard

Transportation Research Board. Special report nr 174, . (1977). Rail transport research needs. Washington DC: Transportation Research Board. Special report nr 174.

MLA

Transportation Research Board. Special report nr 174, . Rail transport research needs. Washington DC: Transportation Research Board. Special report nr 174. 1977.