Elzinga, C. L., Salzer, D. W., & Willoughby, J. W. (1998). Measuring & monitoring plant populations. [U.S. Dept. of the Interior, Bureau of Land Management, National Applied Resource Sciences Center].
Chicago Style (17th ed.) CitationElzinga, Caryl L., Daniel W. Salzer, and John W. Willoughby. Measuring & Monitoring Plant Populations. [Denver, Colo.]: [U.S. Dept. of the Interior, Bureau of Land Management, National Applied Resource Sciences Center], 1998.
MLA (9th ed.) CitationElzinga, Caryl L., et al. Measuring & Monitoring Plant Populations. [U.S. Dept. of the Interior, Bureau of Land Management, National Applied Resource Sciences Center], 1998.
Warning: These citations may not always be 100% accurate.