Cita APA (7a ed.)

Sampson, R. J., & Farris, M. T. (1979). Domestic transportation: Practice, theory, and policy (4th ed.). Houghton Mifflin.

Cita Chicago Style (17a ed.)

Sampson, Roy J., y Martin T. Farris. Domestic Transportation: Practice, Theory, and Policy. 4th ed. Boston: Houghton Mifflin, 1979.

Cita MLA (9a ed.)

Sampson, Roy J., y Martin T. Farris. Domestic Transportation: Practice, Theory, and Policy. 4th ed. Houghton Mifflin, 1979.