APA (7th ed.) Citation

Ardis, S. (1991). An introduction to U.S. patent searching: The process. Libraries Unlimited.

Chicago Style (17th ed.) Citation

Ardis, Susan. An Introduction to U.S. Patent Searching: The Process. Englewood, Colo.: Libraries Unlimited, 1991.

MLA (9th ed.) Citation

Ardis, Susan. An Introduction to U.S. Patent Searching: The Process. Libraries Unlimited, 1991.

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