Cox, H. E. (1972). Utility cars of Philadelphia, 1892-1971. Forty Fort, Pa.: [publisher not identified].
Chicago Style CitationCox, Harold E.. Utility Cars of Philadelphia, 1892-1971. Forty Fort, Pa.: [publisher not identified], 1972.
MLA CitationCox, Harold E.. Utility Cars of Philadelphia, 1892-1971. Forty Fort, Pa.: [publisher not identified], 1972.
Warning: These citations may not always be 100% accurate.