APA (7 ম সংস্করণ) উদ্ধৃতি

Yarnell, S. L. (1998). The Southern Appalachians: A history of the landscape. U.S. Dept. of Agriculture, Forest Service, Southern Research Station.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Yarnell, Susan L. The Southern Appalachians: A History of the Landscape. Asheville, N.C.: U.S. Dept. of Agriculture, Forest Service, Southern Research Station, 1998.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Yarnell, Susan L. The Southern Appalachians: A History of the Landscape. U.S. Dept. of Agriculture, Forest Service, Southern Research Station, 1998.