APA引文

Gay, J. (2001). The beggar's opera. Alex Catalogue.

芝加哥风格引文

Gay, John. The Beggar's Opera. Raleigh, NC: Alex Catalogue, 2001.

MLA引文

Gay, John. The Beggar's Opera. Alex Catalogue, 2001.

警告：这些引文格式不一定是100％准确.