Ward-Stephens & Campbell, A. (1921). Blessed are they that mourn. G. Schirmer.
Cita Chicago (17th ed.)Ward-Stephens i Anne Campbell. Blessed Are They That Mourn. New York: G. Schirmer, 1921.
Cita MLA (9th ed.)Ward-Stephens i Anne Campbell. Blessed Are They That Mourn. G. Schirmer, 1921.
Atenció: Aquestes cites poden no estar 100% correctes.