APA (7th ed.) Citation

Liljedahl, J. B. (1989). Tractors and their power units (4th ed.). Van Nostrand Reinhold.

Chicago Style (17th ed.) Citation

Liljedahl, John B. Tractors and Their Power Units. 4th ed. New York: Van Nostrand Reinhold, 1989.

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.