APA
Richey C. B., . (1961). Agricultural engineers' handbook. New York: McGraw Hill.
Chicago
Richey C B, . 1961. Agricultural engineers' handbook. New York: McGraw Hill.
Harvard
Richey C. B., . (1961). Agricultural engineers' handbook. New York: McGraw Hill.
MLA
Richey C B, . Agricultural engineers' handbook. New York: McGraw Hill. 1961.