APA引文

Thompson, G. R. (1998). Introduction to physical geology. Saunders college.

Chicago Edition Citation

Thompson, Graham R. Introduction to Physical Geology. Philadelphia: Saunders college, 1998.

MLA引文

Thompson, Graham R. Introduction to Physical Geology. Saunders college, 1998.

警告：这些引文格式不一定是100％准确.