APA Citation

Ruthenberg, H. (1976). Farming systems in the tropics. [S.l.]: Oxford : Claredon Press.

Chicago Style Citation

Ruthenberg, Hans. Farming Systems in the Tropics. [S.l.]: Oxford : Claredon Press, 1976.

MLA Citation

Ruthenberg, Hans. Farming Systems in the Tropics. [S.l.]: Oxford : Claredon Press, 1976.

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