APA引文

Foster, R. J. (1992). Physical Geology (13th ed.). Charles E. Merrill.

Chicago Style (17th ed.) Citation

Foster, Robert J. Physical Geology. 13th ed. Columbus: Charles E. Merrill, 1992.

MLA引文

Foster, Robert J. Physical Geology. 13th ed. Charles E. Merrill, 1992.

警告：這些引文格式不一定是100％准確.