Harris, A. S., & Ruth, R. H. (1970). Sitka spruce: A bibliography with abstracts. Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture.
Chicago Style (17th ed.) CitationHarris, A. S., and Robert H. Ruth. Sitka Spruce: A Bibliography with Abstracts. Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1970.
MLA (8th ed.) CitationHarris, A. S., and Robert H. Ruth. Sitka Spruce: A Bibliography with Abstracts. Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1970.
Warning: These citations may not always be 100% accurate.