Cita APA (7a ed.)

Bradford, J., & Clark, T. D. (1993). The voice of the frontier: John Bradford's Notes on Kentucky. The University Press of Kentucky.

Cita Chicago Style (17a ed.)

Bradford, John, y Thomas Dionysius Clark. The Voice of the Frontier: John Bradford's Notes on Kentucky. Lexington: The University Press of Kentucky, 1993.

Cita MLA (8a ed.)

Bradford, John, y Thomas Dionysius Clark. The Voice of the Frontier: John Bradford's Notes on Kentucky. The University Press of Kentucky, 1993.