Ringwald, R., & Whittier, J. G. (1966). O brother man. For 3-part mixed chorus SAB or combined unison voices and SAB choir with piano or organ or piano ang organ combined /words by John Greenleaf Whittier. Shawnee Press.
Chicago Style (17th ed.) CitationRingwald, Roy, and John Greenleaf Whittier. O Brother Man. For 3-part Mixed Chorus SAB or Combined Unison Voices and SAB Choir with Piano or Organ or Piano Ang Organ Combined /words by John Greenleaf Whittier. Delaware Water Gap, Pa: Shawnee Press, 1966.
MLA (9th ed.) CitationRingwald, Roy, and John Greenleaf Whittier. O Brother Man. For 3-part Mixed Chorus SAB or Combined Unison Voices and SAB Choir with Piano or Organ or Piano Ang Organ Combined /words by John Greenleaf Whittier. Shawnee Press, 1966.
Warning: These citations may not always be 100% accurate.