APA (7th ed.) Citation

Ashbrook, W. (1969). The operas of Puccini. Cassell.

Chicago Style (17th ed.) Citation

Ashbrook, William. The Operas of Puccini. Londres: Cassell, 1969.

MLA (9th ed.) Citation

Ashbrook, William. The Operas of Puccini. Cassell, 1969.