Gaya APA

L, S, , D. (1972). International Encyclopedia of the Social Sciences Volume 11 & 12 (Nade to Psyc) . New York: Macmillan.

Gaya MLA

L, Sills, , David. "International Encyclopedia of the Social Sciences Volume 11 & 12 (Nade to Psyc)". New York: Macmillan, 1972. Text.