APA (7th ed.) Citation

Indo-European Conference University of Pennsylvania, University of Pennsylvania, Cardona, G., Hoenigswald, H. M., & Senn, A. (1970). Indo-European and Indo-Europeans: Papers. University of Pennsylvania Press.

Chicago Style (17th ed.) Citation

Indo-European Conference University of Pennsylvania, University of Pennsylvania, George Cardona, Henry M. Hoenigswald, and Alfred Senn. Indo-European and Indo-Europeans: Papers. Philadelphia: University of Pennsylvania Press, 1970.

MLA (9th ed.) Citation

Indo-European Conference University of Pennsylvania, et al. Indo-European and Indo-Europeans: Papers. University of Pennsylvania Press, 1970.