APA (7th ed.) Citation

Keiser, R., Telemann, G. P. H., & Postel, C. H. (2011). Telemann and the Leipzig Opera. MusiContact, Heidelberg.

Chicago Style (17th ed.) Citation

Keiser, Reinhard, Georg Philipp; Hoffmann Telemann, and Christian Heinrich Postel. Telemann and the Leipzig Opera. MusiContact, Heidelberg, 2011.

MLA (8th ed.) Citation

Keiser, Reinhard, et al. Telemann and the Leipzig Opera. MusiContact, Heidelberg, 2011.