APA引文

Barber, J., & Searcy, J. (2009). Presidents (3rd American ed.). DK.

Chicago Style (17th ed.) Citation

Barber, James, and John Searcy. Presidents. 3rd American ed. London ; New York: DK, 2009.

MLA引文

Barber, James, and John Searcy. Presidents. 3rd American ed. DK, 2009.

警告：這些引文格式不一定是100％准確.