APA (7th ed.) Citation

Hannigan, B. (2010). America in the 20th century. Media Rich Communications.

Chicago Style (17th ed.) Citation

Hannigan, Bent. America in the 20th Century. [Chesterton, Indiana]: Media Rich Communications, 2010.

MLA (9th ed.) Citation

Hannigan, Bent. America in the 20th Century. Media Rich Communications, 2010.

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