APA Style

Simmons, M, J., Snustad, D, P. (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

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