APA引文

Hjortshoj, K., & Keith Hjortshoj. (2001). Understanding writing blocks. New York: Oxford University Press.

Trích dẫn kiểu Chicago

Hjortshoj, Keith, và Keith Hjortshoj. Understanding Writing Blocks. New York: Oxford University Press, 2001.

MLA引文

Hjortshoj, Keith, và Keith Hjortshoj. Understanding Writing Blocks. New York: Oxford University Press, 2001.

警告：这些引文格式不一定是100％准确.