APA Citation

Ennis Jr., W. B. (1979). Introduction to crop protection. Wisconsin, Estados Unidos de América: American Society of Agronomy, Inc., Crop Science Society of America, Inc..

Chicago Style Citation

Ennis Jr., W. B.. Introduction to Crop Protection. Wisconsin, Estados Unidos de América: American Society of Agronomy, Inc., Crop Science Society of America, Inc., 1979.

MLA Citation

Ennis Jr., W. B.. Introduction to Crop Protection. Wisconsin, Estados Unidos de América: American Society of Agronomy, Inc., Crop Science Society of America, Inc., 1979.

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