APA引文

Williams, R. J. (1979). Free and unequal: The biological basis of individual liberty. Liberty Press.

Chicago Style (17th ed.) Citation

Williams, Roger J. Free and Unequal: The Biological Basis of Individual Liberty. Indianapolis: Liberty Press, 1979.

MLA引文

Williams, Roger J. Free and Unequal: The Biological Basis of Individual Liberty. Liberty Press, 1979.

警告：這些引文格式不一定是100％准確.