Style de citation APA (7e éd.)

Wharton, M. E., & Barbour, R. W. (1991). Bluegrass Land and Life: Land Character, Plants, and Animals of the Inner Bluegrass Region of Kentucky: Past, Present, and Future. The University Press of Kentucky.

Style de citation Chicago (17e éd.)

Wharton, Mary E., et Roger W. Barbour. Bluegrass Land and Life: Land Character, Plants, and Animals of the Inner Bluegrass Region of Kentucky: Past, Present, and Future. Lexington: The University Press of Kentucky, 1991.

Style de citation MLA (8e éd.)

Wharton, Mary E., et Roger W. Barbour. Bluegrass Land and Life: Land Character, Plants, and Animals of the Inner Bluegrass Region of Kentucky: Past, Present, and Future. The University Press of Kentucky, 1991.