APA (7th ed.) Citation

Levine, R. (2011). Weep, shudder, die: A guide to loving opera. ItBooks.

Chicago Style (17th ed.) Citation

Levine, Robert. Weep, Shudder, Die: A Guide to Loving Opera. New York, NY: ItBooks, 2011.

MLA (9th ed.) Citation

Levine, Robert. Weep, Shudder, Die: A Guide to Loving Opera. ItBooks, 2011.