APA استشهاد

Simmonds, N. W. (1976). Evolution of crop plants. Longman.

استشهاد بنمط شيكاغو

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

MLA استشهاد

Simmonds, N W. Evolution of Crop Plants. Longman, 1976.