APA (7th ed.) Citation

Lawrence, D. (1984). The working Timex-Sinclair 2068. Creative Computing Press.

Chicago Style (17th ed.) Citation

Lawrence, David. The Working Timex-Sinclair 2068. Morris Plains, N.J.: Creative Computing Press, 1984.

MLA (9th ed.) Citation

Lawrence, David. The Working Timex-Sinclair 2068. Creative Computing Press, 1984.