APA

Transportation Research Board. Special report nr 180, . (1977). Railroad electrification. Washington DC: Transportation Research Board. Special report nr 180.

Chicago

Transportation Research Board. Special report nr 180, . 1977. Railroad electrification. Washington DC: Transportation Research Board. Special report nr 180.

Harvard

Transportation Research Board. Special report nr 180, . (1977). Railroad electrification. Washington DC: Transportation Research Board. Special report nr 180.

MLA

Transportation Research Board. Special report nr 180, . Railroad electrification. Washington DC: Transportation Research Board. Special report nr 180. 1977.