APA引文

Friedrich, P. (1970). Proto-Indo-European trees: The arboreal system of a prehistoric people. University of Chicago Press.

Chicago Edition Citation

Friedrich, Paul. Proto-Indo-European Trees: The Arboreal System of a Prehistoric People. Chicago: University of Chicago Press, 1970.

MLA引文

Friedrich, Paul. Proto-Indo-European Trees: The Arboreal System of a Prehistoric People. University of Chicago Press, 1970.

警告：這些引文格式不一定是100％准確.