APA (7th ed.) Citation

Doolittle, F. W. (1916). Studies in the cost of urban transportation service. American Electric Railway Association.

Chicago Style (17th ed.) Citation

Doolittle, Frederick William. Studies in the Cost of Urban Transportation Service. New York, N.Y.: American Electric Railway Association, 1916.

MLA (8th ed.) Citation

Doolittle, Frederick William. Studies in the Cost of Urban Transportation Service. American Electric Railway Association, 1916.