APA (7th ed.) Citation

Boatfield, G. (1983). Farm crops (2nd ed.). Farming Press.

Chicago Style (17th ed.) Citation

Boatfield, Graham. Farm Crops. 2nd ed. Ipswich, UK: Farming Press, 1983.

MLA (9th ed.) Citation

Boatfield, Graham. Farm Crops. 2nd ed. Farming Press, 1983.

Warning: These citations may not always be 100% accurate.