Cita APA (7a ed.)
Simmonds, N. W. (1976). Evolution of crop plants (first published.). Longman.
Cita Chicago Style (17a ed.)
Simmonds, N. W. Evolution of Crop Plants. first published. London: Longman, 1976.
Cita MLA (9a ed.)
Simmonds, N. W. Evolution of Crop Plants. first published. Longman, 1976.
Precaución: Estas citas no son 100% exactas.