Cita APA (7a ed.)

Simmonds, N. (1976). Evolution of crop plants (1st edition.). Longman.

Cita Chicago Style (17a ed.)

Simmonds, N.W. Evolution of Crop Plants. 1st edition. London: Longman, 1976.

Cita MLA (8a ed.)

Simmonds, N.W. Evolution of Crop Plants. 1st edition. Longman, 1976.