एपीए उद्धरण

(1972). New book of knowledge V.20: W.X.Y.Z. Grolier Incorporated.

शिकागो स्टाइल उद्धरण

New Book of Knowledge V.20: W.X.Y.Z. New York: Grolier Incorporated, 1972.

एमएलए उद्धरण

New Book of Knowledge V.20: W.X.Y.Z. Grolier Incorporated, 1972.