Cita APA

Borgman, D. E., Hainline, E., & Long, M. E. (1974). Tractors. John Deere.

Citación estilo Chicago

Borgman, Donald E., Everette Hainline, and Melvin E. Long. Tractors. Moline: John Deere, 1974.

Cita MLA

Borgman, Donald E., et al. Tractors. John Deere, 1974.