Cita APA

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

Chicago Edition Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.