Cita APA (7th ed.)

Ringwald, R., & Whittier, J. G. (1969). O brother man. For two-part voices (SA or TB) with piano or organ. Shawnee Press.

Cita Chicago (17th ed.)

Ringwald, Roy, i John Greenleaf Whittier. O Brother Man. For Two-part Voices (SA or TB) with Piano or Organ. Delaware Water Gap, Pa: Shawnee Press, 1969.

Cita MLA (9th ed.)

Ringwald, Roy, i John Greenleaf Whittier. O Brother Man. For Two-part Voices (SA or TB) with Piano or Organ. Shawnee Press, 1969.