Cita APA (7th ed.)

Simmonds, N. W. (1986). Evolution of crop plants. Longman Scientific & Technical.

Cita Chicago (17th ed.)

Simmonds, N. W. Evolution of Crop Plants. London: Longman Scientific & Technical, 1986.

Cita MLA (9th ed.)

Simmonds, N. W. Evolution of Crop Plants. Longman Scientific & Technical, 1986.