Citazione APA

Deere & Company. (1947). The Operation, care, and repair of farm machinery (21st ed.). John Deere.

Stile di citazione Chicago

Deere & Company. The Operation, Care, and Repair of Farm Machinery. 21st ed. Moline, Ill.: John Deere, 1947.

Citazione MLA

Deere & Company. The Operation, Care, and Repair of Farm Machinery. 21st ed. John Deere, 1947.