APA (7th ed.) Citation

Luening, R. A., & Mortenson, W. P. (1979). The farm management handbook (Sixth edition.). Interstate.

Chicago Style (17th ed.) Citation

Luening, Robert A., and W. P. Mortenson. The Farm Management Handbook. Sixth edition. Danville, Ill: Interstate, 1979.

MLA (9th ed.) Citation

Luening, Robert A., and W. P. Mortenson. The Farm Management Handbook. Sixth edition. Interstate, 1979.