APA (7th ed.) Citation

Rowley, J. E. (1990). A Comparison between Free Language and Controlled Language Indexing and Searching.

Chicago Style (17th ed.) Citation

Rowley, J. E. A Comparison Between Free Language and Controlled Language Indexing and Searching. 1990.

MLA (9th ed.) Citation

Rowley, J. E. A Comparison Between Free Language and Controlled Language Indexing and Searching. 1990.

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