एपीए उद्धरण

Roberts, L. W. (1974). Encyclopedia of minerals. Van Nostrand reinhold company.

शिकागो स्टाइल उद्धरण

Roberts, Lincoln Willard. Encyclopedia of Minerals. New York: Van Nostrand reinhold company, 1974.

एमएलए उद्धरण

Roberts, Lincoln Willard. Encyclopedia of Minerals. Van Nostrand reinhold company, 1974.