APA (7th ed.) Citation

Harper, R. A., & Johnson, T. G. (2012). Forest resources of east Oklahoma, 2008. United States Department of Agriculture, Forest Service, Southern Research Station.

Chicago Style (17th ed.) Citation

Harper, Richard A., and Tony G. Johnson. Forest Resources of East Oklahoma, 2008. Asheville, NC: United States Department of Agriculture, Forest Service, Southern Research Station, 2012.

MLA (9th ed.) Citation

Harper, Richard A., and Tony G. Johnson. Forest Resources of East Oklahoma, 2008. United States Department of Agriculture, Forest Service, Southern Research Station, 2012.