APA (7th ed.) Citation

Beethoven, L. v., Schubert, F., & Baker, J. (1977). Janet Baker sings Beethoven and Schubert. Philips.

Chicago Style (17th ed.) Citation

Beethoven, Ludwig van, Franz Schubert, and Janet Baker. Janet Baker Sings Beethoven and Schubert. [S.l.]: Philips, 1977.

MLA (8th ed.) Citation

Beethoven, Ludwig van, et al. Janet Baker Sings Beethoven and Schubert. Philips, 1977.