Cita APA (7a ed.)

Taaffe, E. J., & Gauthier, H. L. (1973). Geography of transportation. Prentice-Hall.

Cita Chicago Style (17a ed.)

Taaffe, Edward J., y Howard L. Gauthier. Geography of Transportation. Englewood Cliffs, NJ: Prentice-Hall, 1973.

Cita MLA (9a ed.)

Taaffe, Edward J., y Howard L. Gauthier. Geography of Transportation. Prentice-Hall, 1973.