APA (7th ed.) Citation

Maryland. State Roads Commission, Baltimore (Md.), & United States. Public Roads Administration. (1946). Report of the transportation study: Baltimore Metropolitan Area ... [publisher not identified].

Chicago Style (17th ed.) Citation

Maryland. State Roads Commission, Baltimore (Md.), and United States. Public Roads Administration. Report of the Transportation Study: Baltimore Metropolitan Area ... [Baltimore]: [publisher not identified], 1946.

MLA (9th ed.) Citation

Maryland. State Roads Commission, et al. Report of the Transportation Study: Baltimore Metropolitan Area ... [publisher not identified], 1946.