APA استشهاد

Selley, R. C. (1998). Elements of petroleum geology (2nd ed.). Academic Press.

استشهاد بنمط شيكاغو

Selley, Richard C. Elements of Petroleum Geology. 2nd ed. San Diego: Academic Press, 1998.

MLA استشهاد

Selley, Richard C. Elements of Petroleum Geology. 2nd ed. Academic Press, 1998.