Ottmar, R. D., Vihnanek, R. E., & Wright, C. S. (2007). Stereo photo series for quantifying natural fuels. United States Department of Agriculture, Forest Service, Pacific Northwest Research Station.
Chicago Style (17th ed.) CitationOttmar, Roger D., Robert E. Vihnanek, and Clinton S. Wright. Stereo Photo Series for Quantifying Natural Fuels. [Portland, Or.]: United States Department of Agriculture, Forest Service, Pacific Northwest Research Station, 2007.
MLA (9th ed.) CitationOttmar, Roger D., et al. Stereo Photo Series for Quantifying Natural Fuels. United States Department of Agriculture, Forest Service, Pacific Northwest Research Station, 2007.
Warning: These citations may not always be 100% accurate.