APA استشهاد

Simpson, J. E. (1997). Gravity currents in the enviornment and the laboratory (2nd ed.). Cambridge University Press.

استشهاد بنمط شيكاغو

Simpson, John E. Gravity Currents in the Enviornment and the Laboratory. 2nd ed. United kingdom: Cambridge University Press, 1997.

MLA استشهاد

Simpson, John E. Gravity Currents in the Enviornment and the Laboratory. 2nd ed. Cambridge University Press, 1997.