APA引文

Ewen, D. (1955). Encyclopedia of the opera. A.A. Wyn.

Chicago Style (17th ed.) Citation

Ewen, David. Encyclopedia of the Opera. New York: A.A. Wyn, 1955.

MLA引文

Ewen, David. Encyclopedia of the Opera. A.A. Wyn, 1955.

警告：這些引文格式不一定是100％准確.