APA引文

Legget, R. F. (1939). Geology and engineering.

Chicago Style (17th ed.) Citation

Legget, Robert Ferguson. Geology and Engineering. New York and London, McGraw-Hill book company, inc., 1939, 1939.

MLA引文

Legget, Robert Ferguson. Geology and Engineering. 1939.

警告：這些引文格式不一定是100％准確.