APA
(1964). Instruction in farm mechanics. Washington, USA: U.S. Government Printing Office.
Chicago
1964. Instruction in farm mechanics. Washington, USA: U.S. Government Printing Office.
Harvard
(1964). Instruction in farm mechanics. Washington, USA: U.S. Government Printing Office.
MLA
Instruction in farm mechanics. Washington, USA: U.S. Government Printing Office. 1964.
