APA引文

Foster, R. J. (1975). Physical geology (2d ed.). Merrill.

Chicago Style (17th ed.) Citation

Foster, Robert J. Physical Geology. 2d ed. Columbus, Ohio: Merrill, 1975.

MLA引文

Foster, Robert J. Physical Geology. 2d ed. Merrill, 1975.

警告：這些引文格式不一定是100％准確.