APA (7th ed.) Citation

Smetana, B., Rushbridge, D. M., & Thomsen-Muchová, G. (1954). Blaženka's aria from the opera The secret. Artia.

Chicago Style (17th ed.) Citation

Smetana, Bedřich, D. M. Rushbridge, and Geraldine Thomsen-Muchová. Blaženka's Aria From the Opera The Secret. Prague: Artia, 1954.

MLA (8th ed.) Citation

Smetana, Bedřich, et al. Blaženka's Aria From the Opera The Secret. Artia, 1954.