Cita APA

Bigham, T. C., & Roberts, M. J. (1952). Transportation: Principles and problems McGraw-Hill.

Citación estilo Chicago

Bigham, Truman C., and Merril J. Roberts. Transportation: Principles and Problems. 2. ed. New York: McGraw-Hill, 1952.

Cita MLA

Bigham, Truman C., and Merril J. Roberts. Transportation: Principles and Problems. 2. ed. New York: McGraw-Hill, 1952.