APA (7th ed.) Citation

Kelly, A. F., & George, R. A. T. (1998). Encyclopaedia of seed production of world crops. John Wiley.

Chicago Style (17th ed.) Citation

Kelly, A. Fenwick, and Raymond A. T. George. Encyclopaedia of Seed Production of World Crops. Chichester ; New York: John Wiley, 1998.

MLA (9th ed.) Citation

Kelly, A. Fenwick, and Raymond A. T. George. Encyclopaedia of Seed Production of World Crops. John Wiley, 1998.