Gaya APA

Snustad, P, D., Simmons, M, J. (2012). Genetics (international students version) / sixth edition (6). Singapore: John Wiley & Sons.

Gaya MLA

Snustad, Peter, D.., Simmons, Michael, J.. "Genetics (international students version) / sixth edition". 6 Singapore: John Wiley & Sons, 2012. Text.