Cita APA (7a ed.)

Bowersox, D. J. (1981). Introduction to transportation. Macmillan.

Cita Chicago Style (17a ed.)

Bowersox, Donald J. Introduction to Transportation. Macmillan, 1981.

Cita MLA (9a ed.)

Bowersox, Donald J. Introduction to Transportation. Macmillan, 1981.