APA引文

Leff, G. (1969). History and social theory. University of Alabama Press.

Chicago Style (17th ed.) Citation

Leff, Gordon. History and Social Theory. University, Ala: University of Alabama Press, 1969.

MLA引文

Leff, Gordon. History and Social Theory. University of Alabama Press, 1969.

警告：這些引文格式不一定是100％准確.