APA (7th ed.) Citation

Sonka, S. T. (1983). Computers in farming, selection and use. McGraw-Hill.

Chicago Style (17th ed.) Citation

Sonka, Steven T. Computers in Farming, Selection and Use. New York: McGraw-Hill, 1983.

MLA (9th ed.) Citation

Sonka, Steven T. Computers in Farming, Selection and Use. McGraw-Hill, 1983.