APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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