Gaya APA

Baker, J, J., Allen, G, E. (1977). The Study Of Biology (Ed. 3). London: Addison-Wesley Publishig Compay.

Gaya MLA

Baker, Jeffrey, J.., Allen, Garlan, E. "The Study Of Biology". Ed. 3 London: Addison-Wesley Publishig Compay, 1977. Text.