United States. Department of Agriculture. Office of the Secretary, Bruce, D., & Forbes, R. D. (1930). Rate of growth of 2nd-growth Southern pines in full stands. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary, Donald Bruce, and Reginald D. Forbes. Rate of Growth of 2nd-growth Southern Pines in Full Stands. Washington: U.S. GPO, 1930.
MLA (9th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary, et al. Rate of Growth of 2nd-growth Southern Pines in Full Stands. U.S. GPO, 1930.
Warning: These citations may not always be 100% accurate.