APA

Griffin R., . (1975). Infrared heating to prevent preferential icing of concrete box girder bridges. Denver, CO: Colorado Division of Highways. Planning and Research Division. Report nr 75-3.

Chicago

Griffin RG,Jr, . 1975. Infrared heating to prevent preferential icing of concrete box girder bridges. Denver, CO: Colorado Division of Highways. Planning and Research Division. Report nr 75-3.

Harvard

Griffin R., . (1975). Infrared heating to prevent preferential icing of concrete box girder bridges. Denver, CO: Colorado Division of Highways. Planning and Research Division. Report nr 75-3.

MLA

Griffin RG,Jr, . Infrared heating to prevent preferential icing of concrete box girder bridges. Denver, CO: Colorado Division of Highways. Planning and Research Division. Report nr 75-3. 1975.