APA (7th ed.) Citation

Porpora, N., Händel, G. F., Hasse, J. A., Brandes, C., & Burgess, G. (1999). Handel & Porpora - "the rivals". ASV.

Chicago Style (17th ed.) Citation

Porpora, Nicola, Georg Friedrich Händel, Johann Adolf Hasse, Christine Brandes, and Geoffrey Burgess. Handel & Porpora - "the Rivals". [London]: ASV, 1999.

MLA (9th ed.) Citation

Porpora, Nicola, et al. Handel & Porpora - "the Rivals". ASV, 1999.