APA (7th ed.) Citation

Blackburn, D., & Holister, G. (1987). Hutchinson encyclopedia of modern technology. Hutchinson.

Chicago Style (17th ed.) Citation

Blackburn, David, and Geoffrey Holister. Hutchinson Encyclopedia of Modern Technology. London: Hutchinson, 1987.

MLA (9th ed.) Citation

Blackburn, David, and Geoffrey Holister. Hutchinson Encyclopedia of Modern Technology. Hutchinson, 1987.

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