APA استشهاد

Campbell, R. (1983). Microbial ecology/2nd ed (2nd ed.). Blackwell.

استشهاد بنمط شيكاغو

Campbell, R. Microbial Ecology/2nd Ed. 2nd ed. Oxford: Blackwell, 1983.

MLA استشهاد

Campbell, R. Microbial Ecology/2nd Ed. 2nd ed. Blackwell, 1983.