APA (7th ed.) Citation

De Leon, B. M., & Gibran, K. (1970). Be still, my heart: A tone poem for soprano. s.n.].

Chicago Style (17th ed.) Citation

De Leon, Bayani Mendoza, and Kahlil Gibran. Be Still, My Heart: A Tone Poem for Soprano. [S.l: s.n.], 1970.

MLA (9th ed.) Citation

De Leon, Bayani Mendoza, and Kahlil Gibran. Be Still, My Heart: A Tone Poem for Soprano. s.n.], 1970.