APA
Simper H., . (1977). Farmers guide to arable machinery. Ipswich: Farming Press.
Chicago
Simper Herman, . 1977. Farmers guide to arable machinery. Ipswich: Farming Press.
Harvard
Simper H., . (1977). Farmers guide to arable machinery. Ipswich: Farming Press.
MLA
Simper Herman, . Farmers guide to arable machinery. Ipswich: Farming Press. 1977.