APA (7th ed.) Citation

Firestone, I., O'Reefe, L., & Dews, C. (1929). In my garden: Duet for soprano and alto. G. Schirmer.

Chicago Style (17th ed.) Citation

Firestone, Idabelle, Lester O'Reefe, and Chas Dews. In My Garden: Duet for Soprano and Alto. New York: G. Schirmer, 1929.

MLA (9th ed.) Citation

Firestone, Idabelle, et al. In My Garden: Duet for Soprano and Alto. G. Schirmer, 1929.