Cita APA (7a ed.)

Keen, R. E. (2015). Happy prisoner: The bluegrass sessions. Dualtone.

Cita Chicago Style (17a ed.)

Keen, Robert Earl. Happy Prisoner: The Bluegrass Sessions. Nashville, TN: Dualtone, 2015.

Cita MLA (8a ed.)

Keen, Robert Earl. Happy Prisoner: The Bluegrass Sessions. Dualtone, 2015.

Precaución: Estas citas no son 100% exactas.