APA (7th ed.) Citation

Purcell, R. (1991). WANTED: Fully Automated Indexing.

Chicago Style (17th ed.) Citation

Purcell, Royal. WANTED: Fully Automated Indexing. 1991.

MLA (9th ed.) Citation

Purcell, Royal. WANTED: Fully Automated Indexing. 1991.

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