APA (7th ed.) Citation

Dudley, J. E. (1921). The potato leafhopper and its control. U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Dudley, J. E. The Potato Leafhopper and Its Control. Washington, D.C: U.S. Dept. of Agriculture, 1921.

MLA (9th ed.) Citation

Dudley, J. E. The Potato Leafhopper and Its Control. U.S. Dept. of Agriculture, 1921.