APA引文

Roy, R., & Gurney, J. S. (2004). The unwilling umpire. Random House.

Chicago Style (17th ed.) Citation

Roy, Ron, and John Steven Gurney. The Unwilling Umpire. New York: Random House, 2004.

MLA引文

Roy, Ron, and John Steven Gurney. The Unwilling Umpire. Random House, 2004.

警告：這些引文格式不一定是100％准確.