APA Edition Citation

Ruthenberg, H. (1976). Farming systems in the tropics (2.). Clarendon Press.

Chicago Edition Citation

Ruthenberg, Hans. Farming Systems in the Tropics. 2. Oxford: Clarendon Press, 1976.

MLA Edition Citation

Ruthenberg, Hans. Farming Systems in the Tropics. 2. Clarendon Press, 1976.

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