APA (7th ed.) Citation

Pegrum, D. F. (1968). Transportation; economics and public policy (Rev. ed.). R.D. Irwin.

Chicago Style (17th ed.) Citation

Pegrum, Dudley Frank. Transportation; Economics and Public Policy. Rev. ed. Homewood, Ill.: R.D. Irwin, 1968.

MLA (8th ed.) Citation

Pegrum, Dudley Frank. Transportation; Economics and Public Policy. Rev. ed. R.D. Irwin, 1968.