APA Style

INTERNATIONAL, W, B. (1992). THE WORLD BOOK ENCYCLOPEDIA VOL 21 W-X-Y-Z"" (-). -: WORLD BOOK INTERNATIONAL.

MLA Style

INTERNATIONAL, WORLD, BOOK. "THE WORLD BOOK ENCYCLOPEDIA VOL 21 W-X-Y-Z""". - -: WORLD BOOK INTERNATIONAL, 1992. Text.