APA引文

Howard, M. C. (1983). Profits in economic theory. St. Martin's Press.

Chicago Style (17th ed.) Citation

Howard, Michael Charles. Profits in Economic Theory. New York: St. Martin's Press, 1983.

MLA引文

Howard, Michael Charles. Profits in Economic Theory. St. Martin's Press, 1983.

警告：這些引文格式不一定是100％准確.