एपीए उद्धरण

Finkl, c. (1984). Encyclopedia of applied geology. Van Nostrand Reinhold Company.

शिकागो स्टाइल उद्धरण

Finkl, charles. Encyclopedia of Applied Geology. New York: Van Nostrand Reinhold Company, 1984.

एमएलए उद्धरण

Finkl, charles. Encyclopedia of Applied Geology. Van Nostrand Reinhold Company, 1984.