APA (7th ed.) Citation

Wagner, R., Beethoven, L. v., & Franck, C. [Álbum piano-harmonium]. Druch von Breitkopf.

Chicago Style (17th ed.) Citation

Wagner, Richard, Ludwig van Beethoven, and César Franck. [Álbum Piano-harmonium]. Leipzig: Druch von Breitkopf.

MLA (9th ed.) Citation

Wagner, Richard, et al. [Álbum Piano-harmonium]. Druch von Breitkopf.

Warning: These citations may not always be 100% accurate.