APA (7th ed.) Citation

Speaks, O., & Jones, T. S. (1916). To one unknown: A song with piano accompaniment. G. Schirmer.

Chicago Style (17th ed.) Citation

Speaks, Oley, and Thomas S. Jones. To One Unknown: A Song with Piano Accompaniment. New York: G. Schirmer, 1916.

MLA (9th ed.) Citation

Speaks, Oley, and Thomas S. Jones. To One Unknown: A Song with Piano Accompaniment. G. Schirmer, 1916.