APA (7th ed.) Citation

Downs, J. E. (1985). Basic systems design. Hutchinson.

Chicago Style (17th ed.) Citation

Downs, J. E. Basic Systems Design. London [etc.]: Hutchinson, 1985.

MLA (9th ed.) Citation

Downs, J. E. Basic Systems Design. Hutchinson, 1985.

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