APA Citation

Ennis, W. B., & Ennis, W. B. (1979). Introduction to crop protection. Menasha, Wis.: American Society of Agronomy Crop Science Society of America.

Chicago Style Citation

Ennis, William Brice, and William Brice Ennis. Introduction to Crop Protection. Menasha, Wis.: American Society of Agronomy Crop Science Society of America, 1979.

MLA Citation

Ennis, William Brice, and William Brice Ennis. Introduction to Crop Protection. Menasha, Wis.: American Society of Agronomy Crop Science Society of America, 1979.

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