APA (7th ed.) Citation

Widdowson, R. W. (1987). Towards holistic agriculture: A scientific approach. Pergamon Press.

Chicago Style (17th ed.) Citation

Widdowson, R. W. Towards Holistic Agriculture: A Scientific Approach. Oxford [Oxfordshire]: Pergamon Press, 1987.

MLA (9th ed.) Citation

Widdowson, R. W. Towards Holistic Agriculture: A Scientific Approach. Pergamon Press, 1987.

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