APA引文

O'Connor, J., & Hammond, T. (2016). What were the Twin Towers? Grosset & Dunlap.

Chicago Style (17th ed.) Citation

O'Connor, Jim, and Ted Hammond. What Were the Twin Towers? New York: Grosset & Dunlap, 2016.

MLA引文

O'Connor, Jim, and Ted Hammond. What Were the Twin Towers? Grosset & Dunlap, 2016.

警告：這些引文格式不一定是100％准確.