Foster, R. J. (1985). Geology. Columbus, Ohio: C.E. Merrill Pub. Co.
Trích dẫn kiểu ChicagoFoster, Robert J. Geology. Columbus, Ohio: C.E. Merrill Pub. Co, 1985.
MLA引文Foster, Robert J. Geology. Columbus, Ohio: C.E. Merrill Pub. Co, 1985.
警告：这些引文格式不一定是100％准确.