Phipps, R. L. (1985). Collecting, preparing, crossdating, and measuring tree increment cores. U.S. Dept. of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationPhipps, Richard L. Collecting, Preparing, Crossdating, and Measuring Tree Increment Cores. Reston, Va.: U.S. Dept. of the Interior, Geological Survey, 1985.
MLA (9th ed.) CitationPhipps, Richard L. Collecting, Preparing, Crossdating, and Measuring Tree Increment Cores. U.S. Dept. of the Interior, Geological Survey, 1985.
Warning: These citations may not always be 100% accurate.