एपीए उद्धरण

(1972). New book of knowledge V.15: P. Grolier Incorporated.

शिकागो स्टाइल उद्धरण

New Book of Knowledge V.15: P. New York: Grolier Incorporated, 1972.

एमएलए उद्धरण

New Book of Knowledge V.15: P. Grolier Incorporated, 1972.