APA引文

Krensky, S. (2010). Barack Obama (1st American ed.). DK Pub..

Chicago Style (17th ed.) Citation

Krensky, Stephen. Barack Obama. 1st American ed. New York: DK Pub., 2010.

MLA引文

Krensky, Stephen. Barack Obama. 1st American ed. DK Pub., 2010.

警告：這些引文格式不一定是100％准確.