Cita APA (7th ed.)

Morlok, E. K. (1965). Rail transit costs. Northwestern University Transportation Center.

Cita Chicago (17th ed.)

Morlok, Edward K. Rail Transit Costs. Evanston, Ill.: Northwestern University Transportation Center, 1965.

Cita MLA (8th ed.)

Morlok, Edward K. Rail Transit Costs. Northwestern University Transportation Center, 1965.