Cita APA (7a ed.)

Barger, E. L., Liljedahl, J. B., Carleton, W. M., & McKibben, E. G. (1963). TRACTORS and their power units (2nd ed.). J. Wiley.

Cita Chicago Style (17a ed.)

Barger, E. L., J. B. Liljedahl, W. M. Carleton, y E. G. McKibben. TRACTORS and Their Power Units. 2nd ed. New York: J. Wiley, 1963.

Cita MLA (8a ed.)

Barger, E. L., et al. TRACTORS and Their Power Units. 2nd ed. J. Wiley, 1963.