Cita APA (7th ed.)
Peterson, J. W. (1970). Folk hymnal. Singspiration.
Cita Chicago (17th ed.)
Peterson, John W. Folk Hymnal. Michigan: Singspiration, 1970.
Cita MLA (9th ed.)
Peterson, John W. Folk Hymnal. Singspiration, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.