Cita APA (7th ed.)

Ringwald, R., & Whittier, J. G. (1969). O brother man. For treble voices or combined unison voices and treble choir with piano or organ or piano and organ combined. Shawnee Press.

Cita Chicago (17th ed.)

Ringwald, Roy, i John Greenleaf Whittier. O Brother Man. For Treble Voices or Combined Unison Voices and Treble Choir with Piano or Organ or Piano and Organ Combined. Delaware Water Gap, Pa: Shawnee Press, 1969.

Cita MLA (9th ed.)

Ringwald, Roy, i John Greenleaf Whittier. O Brother Man. For Treble Voices or Combined Unison Voices and Treble Choir with Piano or Organ or Piano and Organ Combined. Shawnee Press, 1969.