एपीए उद्धरण

(1970). Hutchinson's new 20th century encyclopaedia. Hutchinson.

शिकागो स्टाइल उद्धरण

Hutchinson's New 20th Century Encyclopaedia. London: Hutchinson, 1970.

एमएलए उद्धरण

Hutchinson's New 20th Century Encyclopaedia. Hutchinson, 1970.