APA (7th ed.) Citation

Bureau of Municipal Research (Philadelphia, Pa.), & Pennsylvania Economy League. (1960). Digest of improved transportation for southeastern Pennsylvania.

Chicago Style (17th ed.) Citation

Bureau of Municipal Research (Philadelphia, Pa.), and Pennsylvania Economy League. Digest of Improved Transportation for Southeastern Pennsylvania. Philadelphia, 1960.

MLA (9th ed.) Citation

Bureau of Municipal Research (Philadelphia, Pa.), and Pennsylvania Economy League. Digest of Improved Transportation for Southeastern Pennsylvania. 1960.