APA استشهاد

Swain, F. (1970). Non marine organic geochemistry. Cambridge University Press.

استشهاد بنمط شيكاغو

Swain, Frederick. Non Marine Organic Geochemistry. London: Cambridge University Press, 1970.

MLA استشهاد

Swain, Frederick. Non Marine Organic Geochemistry. Cambridge University Press, 1970.