APA (7th ed.) Citation

Harwell, K. R. (1993). Searching U.S. Patents: Core Collection and Suggestions for Service.

Chicago Style (17th ed.) Citation

Harwell, Kevin R. Searching U.S. Patents: Core Collection and Suggestions for Service. 1993.

MLA (9th ed.) Citation

Harwell, Kevin R. Searching U.S. Patents: Core Collection and Suggestions for Service. 1993.

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