APA-Zitierstil (7. Ausg.)

Duckham, A. N., & Masefield, G. B. (1971). Farming systems of the world: Assisted by R. W.Willey and Kathleen Down (2. impr.). Chatto & Windus.

Chicago-Zitierstil (17. Ausg.)

Duckham, Alec N., und Geoffrey B. Masefield. Farming Systems of the World: Assisted by R. W.Willey and Kathleen Down. 2. impr. London: Chatto & Windus, 1971.

MLA-Zitierstil (9. Ausg.)

Duckham, Alec N., und Geoffrey B. Masefield. Farming Systems of the World: Assisted by R. W.Willey and Kathleen Down. 2. impr. Chatto & Windus, 1971.