APA استشهاد

Williamson, R. (1981). Genetic engineeering. Academic press.

استشهاد بنمط شيكاغو

Williamson, Robert,ed. Genetic Engineeering. London: Academic press, 1981.

MLA استشهاد

Williamson, Robert,ed. Genetic Engineeering. Academic press, 1981.