APA Format
Rothman, Kenneth J. . (2012). Epidemiology an introduction. : Oxford University Press
MLA Format
Rothman, Kenneth J. . Epidemiology an introduction. : Oxford University Press, 2012
Australian/Harvard Format
Rothman, Kenneth J. . 2012. Epidemiology an introduction. Oxford University Press, 
Warning: These citations may not always be 100% accurate.