APA Style

Snustad, D, P., Simmons, M, J. (2012). Principles of GENETICS (S I X T H E D I T I O N). United States of America: John Wiley & Sons.

MLA Style

Snustad, D., Peter., Simmons, Michael, J.. "Principles of GENETICS". S I X T H E D I T I O N United States of America: John Wiley & Sons, 2012. Text.