APA (7th ed.) Citation

(1991). Harrap's dictionary of science & technology (1. publ.). Harrap's Reference.

Chicago Style (17th ed.) Citation

Harrap's Dictionary of Science & Technology. 1. publ. Bromley: Harrap's Reference, 1991.

MLA (9th ed.) Citation

Harrap's Dictionary of Science & Technology. 1. publ. Harrap's Reference, 1991.

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