APA引文

Keller, H. (2013). The world i live in. Duke Classics.

Chicago Style (17th ed.) Citation

Keller, Helen. The World I Live in. Cleveland: Duke Classics, 2013.

MLA引文

Keller, Helen. The World I Live in. Duke Classics, 2013.

警告：這些引文格式不一定是100％准確.