APA استشهاد

Yeats, R. S., & Sieh Kerry Allen, C. R. (1997). Geology of earth quakes. University Press.

استشهاد بنمط شيكاغو

Yeats, Robert S., و Clarence R. Sieh Kerry Allen. Geology of Earth Quakes. Oxford: University Press, 1997.

MLA استشهاد

Yeats, Robert S., و Clarence R. Sieh Kerry Allen. Geology of Earth Quakes. University Press, 1997.