APA استشهاد

Patten,Bernard C. (1975). Systems Analysis and Simultation in Ecology Vol.4. Academic Press.

استشهاد بنمط شيكاغو

Patten,Bernard C. Systems Analysis and Simultation in Ecology Vol.4. NY: Academic Press, 1975.

MLA استشهاد

Patten,Bernard C. Systems Analysis and Simultation in Ecology Vol.4. Academic Press, 1975.