Gaya APA

Sills, D, L. (1972). International Encyclopedia Of The Social Sciences Volumes 15, 16 And 17 . New York: The MacMillan Company & The Free Press.

Gaya MLA

Sills, David, L.. "International Encyclopedia Of The Social Sciences Volumes 15, 16 And 17". New York: The MacMillan Company & The Free Press, 1972. .