APA (7th ed.) Citation

Williamson, A. (1962). Wagner opera. J. Calder.

Chicago Style (17th ed.) Citation

Williamson, Audrey. Wagner Opera. London: J. Calder, 1962.

MLA (9th ed.) Citation

Williamson, Audrey. Wagner Opera. J. Calder, 1962.

Warning: These citations may not always be 100% accurate.