APA (7th ed.) Citation

Bach, J. S., Busoni, F., Petri, E., & Mugellini, B. (1895). Klavierwerke. Breitkpf and Hartel.

Chicago Style (17th ed.) Citation

Bach, Johann Sebstian, Ferrucio Busoni, Egon Petri, and Bruno Mugellini. Klavierwerke. Leipzig: Breitkpf and Hartel, 1895.

MLA (9th ed.) Citation

Bach, Johann Sebstian, et al. Klavierwerke. Breitkpf and Hartel, 1895.