APA (7th ed.) Citation

Christensen, C., & Christensen, T. (1998). The U.S.-Mexican War.

Chicago Style (17th ed.) Citation

Christensen, Carol, and Thomas Christensen. The U.S.-Mexican War. 1998.

MLA (8th ed.) Citation

Christensen, Carol, and Thomas Christensen. The U.S.-Mexican War. 1998.

Warning: These citations may not always be 100% accurate.