Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

Liljedahl, John B., et al. Tractors and Their Power Units. 4th edition. Van Nostrand Reinhold,, 1989.