APA (7th ed.) Citation

P, H. M., & C, M. J. (2005). Electronic combination lock with high security features (7.).

Chicago Style (17th ed.) Citation

P, HARVEY MICHAEL, and MILLER J. C. Electronic Combination Lock with High Security Features. 7. 2005.

MLA (9th ed.) Citation

P, HARVEY MICHAEL, and MILLER J. C. Electronic Combination Lock with High Security Features. 7. 2005.

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