APA Style

Walker, Richard. (2008). GEN & DNA . : Erlangga.

Chicago Style

Walker, Richard. GEN & DNA. : Erlangga, 2008. Text.

MLA Style

Walker, Richard. GEN & DNA. : Erlangga, 2008. Text.

Turabian Style

Walker, Richard. GEN & DNA. : Erlangga, 2008. Print.