APA (7th ed.) Citation

Gravatt, G. F., & Gill, L. S. (1930). Chestnut blight. United States Department of Agriculture.

Chicago Style (17th ed.) Citation

Gravatt, G. F., and L. S. Gill. Chestnut Blight. Washington, D.C: United States Department of Agriculture, 1930.

MLA (9th ed.) Citation

Gravatt, G. F., and L. S. Gill. Chestnut Blight. United States Department of Agriculture, 1930.