APA引文

Keeter, H. (2005). The U.S. Homeland Security forces. World Almanac Library.

Chicago Style (17th ed.) Citation

Keeter, Hunter. The U.S. Homeland Security Forces. Milwaukee, WI.: World Almanac Library, 2005.

MLA引文

Keeter, Hunter. The U.S. Homeland Security Forces. World Almanac Library, 2005.

警告：這些引文格式不一定是100％准確.