APA引文

Opie, R. (2002). The Edwardian scrapbook. Pi Global.

芝加哥风格引文

Opie, Robert. The Edwardian Scrapbook. London: Pi Global, 2002.

MLA引文

Opie, Robert. The Edwardian Scrapbook. Pi Global, 2002.

警告：这些引文格式不一定是100％准确.