APA (7th ed.) Citation

Schubert, F., Geehl, H. E., & Stuart, D. (1939). Air from Rosamunde. Edwin Ashdown.

Chicago Style (17th ed.) Citation

Schubert, Franz, Henry Ernest Geehl, and Delia Stuart. Air from Rosamunde. [London]: Edwin Ashdown, 1939.

MLA (9th ed.) Citation

Schubert, Franz, et al. Air from Rosamunde. Edwin Ashdown, 1939.