APA Citation

Hopfen, H. J. (1976). Farm implements for arid and tropical regions.

Chicago Style Citation

Hopfen, H. J. Farm Implements for Arid and Tropical Regions. 1976.

MLA Citation

Hopfen, H. J. Farm Implements for Arid and Tropical Regions. 1976.

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