The Penguin opera guide

MLA

Holden, Amanda, Nicholas Kenyon, and Stephen Walsh. The Penguin Opera Guide. Abridged ed. with revisions. London: Viking, 1995.

APA

Holden, A., Kenyon, N., & Walsh, S. (1995). The Penguin opera guide. Abridged ed. with revisions. London: Viking.

Chicago

Kenyon, Nicholas, and Stephen Walsh. The Penguin Opera Guide. Edited by Amanda Holden. Abridged ed. with revisions. London: Viking, 1995.