Citazione Stile APA (7a Edizione)

Griffel, M. R., & Block, A. F. (1999). Operas in English: A dictionary. Greenwood Press.

Citazione stile Chigago Style (17a edizione)

Griffel, Margaret Ross, e Adrienne Fried Block. Operas in English: A Dictionary. Westport, Conn: Greenwood Press, 1999.

Citatione MLA (9a ed.)

Griffel, Margaret Ross, e Adrienne Fried Block. Operas in English: A Dictionary. Greenwood Press, 1999.