APA (7th ed.) Citation

Romberg, S., & Donnelly, D. (1925). Serenade. Harms.

Chicago Style (17th ed.) Citation

Romberg, Sigmund, and Dorothy Donnelly. Serenade. New York: Harms, 1925.

MLA (9th ed.) Citation

Romberg, Sigmund, and Dorothy Donnelly. Serenade. Harms, 1925.