Cita APA (7a ed.)

Wharton, M. E., & Barbour, R. W. (1973). Trees and Shrubs of Kentucky. The University Press of Kentucky.

Cita Chicago Style (17a ed.)

Wharton, Mary E., y Roger W. Barbour. Trees and Shrubs of Kentucky. Lexington: The University Press of Kentucky, 1973.

Cita MLA (8a ed.)

Wharton, Mary E., y Roger W. Barbour. Trees and Shrubs of Kentucky. The University Press of Kentucky, 1973.