Gaya APA

Company, T, M. (1968). International Encyclopedia Of The Social Sciences Vol. 15,16,and 17 Index . Sebastopol, CA: The Stationery Office.

Gaya MLA

Company, The, Macmillan. "International Encyclopedia Of The Social Sciences Vol. 15,16,and 17 Index". Sebastopol, CA: The Stationery Office, 1968. Text.