एपीए उद्धरण

Walter J.Karplus. (1979). On line computing, time shared man computer systems. Robert E Krieger.

शिकागो स्टाइल उद्धरण

Walter J.Karplus. On Line Computing, Time Shared Man Computer Systems. New York: Robert E Krieger, 1979.

एमएलए उद्धरण

Walter J.Karplus. On Line Computing, Time Shared Man Computer Systems. Robert E Krieger, 1979.