APA (7th ed.) Citation

Willis, D. M. (2012). Dumbing of age. Packen.

Chicago Style (17th ed.) Citation

Willis, David M. Dumbing of Age. Hong Kong, China: Packen, 2012.

MLA (9th ed.) Citation

Willis, David M. Dumbing of Age. Packen, 2012.

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