APA (7th ed.) Citation

Sadie, S. (1998). The New Grove Dictionary of Opera. Macmillan.

Chicago Style (17th ed.) Citation

Sadie, Stanley. The New Grove Dictionary of Opera. London [u.a.]: Macmillan, 1998.

MLA (8th ed.) Citation

Sadie, Stanley. The New Grove Dictionary of Opera. Macmillan, 1998.

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