APA Citation

Lawson, H. W. (1979). Understanding computer systems (Third edition.). Rockville, MD.: Computer Science Press.

Chicago Style Citation

Lawson, Harold W. Understanding Computer Systems. Third edition. Rockville, MD.: Computer Science Press, 1979.

MLA Citation

Lawson, Harold W. Understanding Computer Systems. Third edition. Rockville, MD.: Computer Science Press, 1979.

Warning: These citations may not always be 100% accurate.