APA Citation

Bull, G. M., & Packham, S. F. G. (1971). Time-sharing systems. London: McGraw-Hill.

Chicago Style Citation

Bull, Gordon M., and S. F. G. Packham. Time-sharing Systems. London: McGraw-Hill, 1971.

MLA Citation

Bull, Gordon M., and S. F. G. Packham. Time-sharing Systems. London: McGraw-Hill, 1971.

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