APA (7th ed.) Citation

Mordden, E. (1987). A guide to opera recordings. Oxford Univ. Pr.

Chicago Style (17th ed.) Citation

Mordden, Ethan. A Guide to Opera Recordings. New York [u.a.]: Oxford Univ. Pr, 1987.

MLA (9th ed.) Citation

Mordden, Ethan. A Guide to Opera Recordings. Oxford Univ. Pr, 1987.