APA引文

Schlaepfer, G. G. (2005). The Louisiana Purchase. Franklin Watts.

Chicago Style (17th ed.) Citation

Schlaepfer, Gloria G. The Louisiana Purchase. Franklin Watts, 2005.

MLA引文

Schlaepfer, Gloria G. The Louisiana Purchase. Franklin Watts, 2005.

警告：这些引文格式不一定是100％准确.