Genetics of Sitka spruce /
L. Roche and D.P. Fowler.

APA Citation

Roche, L. R., Fowler, D. P. (Donald Paige)., United States. Forest Service. (1975). Genetics of Sitka spruce. [Washington, D.C.]: U.S. Forest Service.

MLA Citation

Roche, L. R, D. P. (Donald Paige) Fowler, and United States. Forest Service. Genetics of Sitka Spruce. [Washington, D.C.]: U.S. Forest Service, 1975.

Warning: These citations may not always be complete (especially for serials).