APA (7th ed.) Citation

Balckburn, D., & Holister, G. (1987). Hutchinson encyclopedia of modern technology. London : Hutchinson.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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