Cita APA (7a ed.)

Liljedahl, J. B., Turnquist, P. K., Smith, D. W., & Hoki, M. (1989). Tractors and their power units (4th. ed.). AVI.

Cita Chicago Style (17a ed.)

Liljedahl, John B., Paul K. Turnquist, David W. Smith, y Makoto Hoki. Tractors and Their Power Units. 4th. ed. New York: AVI, 1989.

Cita MLA (8a ed.)

Liljedahl, John B., et al. Tractors and Their Power Units. 4th. ed. AVI, 1989.