एपीए उद्धरण

Geisst,Charles R. (2000). Monopolies in America: Empire builders and their enemies from Jay Gould to Bill Gates. Oxford.

शिकागो स्टाइल उद्धरण

Geisst,Charles R. Monopolies in America: Empire Builders and Their Enemies from Jay Gould to Bill Gates. New York: Oxford, 2000.

एमएलए उद्धरण

Geisst,Charles R. Monopolies in America: Empire Builders and Their Enemies from Jay Gould to Bill Gates. Oxford, 2000.