APA (7th ed.) Citation

Bach, J. S., Vivaldi, A., Benedetto, M., & Telemann, G. P. (1939). Keyboard concertos. Peters.

Chicago Style (17th ed.) Citation

Bach, Johann Sebastian, Antonio Vivaldi, Marcello Benedetto, and Georg Philipp Telemann. Keyboard Concertos. New York: Peters, 1939.

MLA (9th ed.) Citation

Bach, Johann Sebastian, et al. Keyboard Concertos. Peters, 1939.