Williamson, R. (1981). Genetic engineeering. Academic press.
Čikaški stil citiranjaWilliamson, Robert,ed. Genetic Engineeering. London: Academic press, 1981.
MLA način citiranjaWilliamson, Robert,ed. Genetic Engineeering. Academic press, 1981.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.