APA引文

Williams, G. W. (2009). The U.S. Forest Service in the Pacific Northwest: A history. Oregon State University Press.

Chicago Style (17th ed.) Citation

Williams, Gerald W. The U.S. Forest Service in the Pacific Northwest: A History. Corvallis, OR: Oregon State University Press, 2009.

MLA引文

Williams, Gerald W. The U.S. Forest Service in the Pacific Northwest: A History. Oregon State University Press, 2009.

警告：這些引文格式不一定是100％准確.