Citazione Stile APA (7a Edizione)

McColly, H., & Martin, J. W. (1955). Introduction to agricultural engineering. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

McColly, H.F, e J. W. Martin. Introduction to Agricultural Engineering. New York: McGraw-Hill, 1955.

Citatione MLA (9a ed.)

McColly, H.F, e J. W. Martin. Introduction to Agricultural Engineering. McGraw-Hill, 1955.