Cita APA

Stone, A. A., & Gulvin, H. E. (1977). Machines for power farming (3a ed.). New York: John Wiley.

Citación estilo Chicago

Stone, Archie A., and Harold E. Gulvin. Machines for Power Farming. 3a ed. New York: John Wiley, 1977.

Cita MLA

Stone, Archie A., and Harold E. Gulvin. Machines for Power Farming. 3a ed. New York: John Wiley, 1977.