APA (7th ed.) Citation

Safford, H. D., & Stevens, J. T. (2017). Natural range of variation for yellow pine and mixed-conifer forests in the Sierra Nevada, southern Cascades, and Modoc and Inyo National Forests, California, USA. United States Department of Agriculture, Forest Service, Pacific Southwest Research Station.

Chicago Style (17th ed.) Citation

Safford, Hugh D., and Jens T. Stevens. Natural Range of Variation for Yellow Pine and Mixed-conifer Forests in the Sierra Nevada, Southern Cascades, and Modoc and Inyo National Forests, California, USA. Albany, CA: United States Department of Agriculture, Forest Service, Pacific Southwest Research Station, 2017.

MLA (9th ed.) Citation

Safford, Hugh D., and Jens T. Stevens. Natural Range of Variation for Yellow Pine and Mixed-conifer Forests in the Sierra Nevada, Southern Cascades, and Modoc and Inyo National Forests, California, USA. United States Department of Agriculture, Forest Service, Pacific Southwest Research Station, 2017.