Citazione Stile APA (7a Edizione)

STONE, A. A., & GULVIN, H. E. (1977). Machines for power farming.-- 3rd ed. John Wiley and Sons.

Citazione stile Chigago Style (17a edizione)

STONE, Archie A., e Harold E. GULVIN. Machines for Power Farming.-- 3rd Ed. New York: John Wiley and Sons, 1977.

Citatione MLA (9a ed.)

STONE, Archie A., e Harold E. GULVIN. Machines for Power Farming.-- 3rd Ed. John Wiley and Sons, 1977.