APA (7th ed.) Citation

Anderson, R. L., Anderson, G. W., & Schipper, A. L. (1979). Hypoxylon canker of aspen ([Rev. Oct. 1979.].). Dept. of Agriculture, Forest Service.

Chicago Style (17th ed.) Citation

Anderson, Ralph L., Gerald W. Anderson, and Arthur L. Schipper. Hypoxylon Canker of Aspen. [Rev. Oct. 1979.]. [Washington]: Dept. of Agriculture, Forest Service, 1979.

MLA (9th ed.) Citation

Anderson, Ralph L., et al. Hypoxylon Canker of Aspen. [Rev. Oct. 1979.]. Dept. of Agriculture, Forest Service, 1979.