Diseases of Pacific Coast conifers /
Robert F. Scharpf.
APA Citation
Scharpf, R. F., United States. Forest Service. (1993). Diseases of Pacific Coast conifers. Rev. June 1993. Washington, DC: U.S. Dept. of Agriculture, Forest Service .
MLA Citation
Scharpf, Robert F., 1931-, and United States. Forest Service. Diseases of Pacific Coast Conifers. Rev. June 1993. Washington, DC: U.S. Dept. of Agriculture, Forest Service , 1993.
Warning: These citations may not always be complete (especially for serials).