APA (7th ed.) Citation

Voiceprint Records, Palmer, T., Marshall, J., & Callas, M. (2007). Callas (30th anniversary ed.). Voiceprint Records.

Chicago Style (17th ed.) Citation

Voiceprint Records, Tony Palmer, Jill Marshall, and Maria Callas. Callas. 30th anniversary ed. [England]: Voiceprint Records, 2007.

MLA (9th ed.) Citation

Voiceprint Records, et al. Callas. 30th anniversary ed. Voiceprint Records, 2007.