APA引文

Jeffrey, E. C. (1925). Coal and civilization. The Macmillan company.

Chicago Style (17th ed.) Citation

Jeffrey, Edward C. Coal and Civilization. New York: The Macmillan company, 1925.

MLA引文

Jeffrey, Edward C. Coal and Civilization. The Macmillan company, 1925.

警告：這些引文格式不一定是100％准確.