APA Edition Citation

Gulwin, H. E., & Stone, A. A. (1977). Machines for power farming (3.). John Wiley & Sons INC.

Chicago Edition Citation

Gulwin, Harold E., and Archie A. Stone. Machines for Power Farming. 3. NewYork: John Wiley & Sons INC, 1977.

MLA Edition Citation

Gulwin, Harold E., and Archie A. Stone. Machines for Power Farming. 3. John Wiley & Sons INC, 1977.

Warning: These citations may not always be 100% accurate.