Cita APA (7a ed.)

Mohring, H. (1976). Transportation economics (1a ed.). Ballinger Publishing Company.

Cita Chicago Style (17a ed.)

Mohring, Herbert. Transportation Economics. 1a ed. Cambridge: Ballinger Publishing Company, 1976.

Cita MLA (9a ed.)

Mohring, Herbert. Transportation Economics. 1a ed. Ballinger Publishing Company, 1976.