APA (7th ed.) Citation

Roth, L. F., Harvey, R. D., & Kliejunas, J. T. (1987). Port-Orford-cedar root disease. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region.

Chicago Style (17th ed.) Citation

Roth, Lewis F., Robert D. Harvey, and John T. Kliejunas. Port-Orford-cedar Root Disease. [Portland, Or.]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, 1987.

MLA (9th ed.) Citation

Roth, Lewis F., et al. Port-Orford-cedar Root Disease. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, 1987.