Cita APA (7a ed.)

Wharton, M. E., & Barbour, R. W. (1991). Bluegrass land & life: Land character, plants, and animals of the inner Bluegrass Region of Kentucky : past, present, and future. The University Press of Kentucky.

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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