APA Citation

Helgeson, E. A. (1957). Methods of weed control. Rome: Food and Agriculture Organization of the United Nations (FAO).

Chicago Style Citation

Helgeson, Earl A. Methods of Weed Control. Rome: Food and Agriculture Organization of the United Nations (FAO), 1957.

MLA Citation

Helgeson, Earl A. Methods of Weed Control. Rome: Food and Agriculture Organization of the United Nations (FAO), 1957.

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