APA (7th ed.) Citation

Blyth, A., & Walker, M. (1984). Opera on record 2 (1st American ed.). Beaufort Books.

Chicago Style (17th ed.) Citation

Blyth, Alan, and Malcolm Walker. Opera on Record 2. 1st American ed. New York: Beaufort Books, 1984.

MLA (9th ed.) Citation

Blyth, Alan, and Malcolm Walker. Opera on Record 2. 1st American ed. Beaufort Books, 1984.