Gaya APA

Lills, D, L. (). International Encyclopedia of the Social Sciences: 7-8 (Humo to Lang) . NEW YORK: The Macmillan & The Free.

Gaya MLA

Lills, David, L.. "International Encyclopedia of the Social Sciences: 7-8 (Humo to Lang)". NEW YORK: The Macmillan & The Free, . Text.