APA (7th ed.) Citation

Horne, C. W., Johnson, J. D., & Walla, W. J. (1979). Controlling diseases on ornamental plants. Texas Agricultural Extension Service.

Chicago Style (17th ed.) Citation

Horne, C. Wendell, Jerral D. Johnson, and Walter J. Walla. Controlling Diseases on Ornamental Plants. College Station, Tex.: Texas Agricultural Extension Service, 1979.

MLA (9th ed.) Citation

Horne, C. Wendell, et al. Controlling Diseases on Ornamental Plants. Texas Agricultural Extension Service, 1979.