APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Simmonds, Norman Willison. Evolution of Crop Plants. London [etc.]: Longman, 1976.

MLA (9th ed.) Citation

Simmonds, Norman Willison. Evolution of Crop Plants. Longman, 1976.

Warning: These citations may not always be 100% accurate.