توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Ringwald, Roy, و 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.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Ringwald, Roy, و 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.