APA način citiranja

Hersh, W. R., Hickam, D. H., & Leone, T. J. (1992). Words, concepts, or both: Optimal indexing units for automated information retrieval. American Medical Informatics Association.

Čikaški stil citiranja

Hersh, W. R., D. H. Hickam, i T. J. Leone. Words, Concepts, or Both: Optimal Indexing Units for Automated Information Retrieval. American Medical Informatics Association, 1992.

MLA način citiranja

Hersh, W. R., D. H. Hickam, i T. J. Leone. Words, Concepts, or Both: Optimal Indexing Units for Automated Information Retrieval. American Medical Informatics Association, 1992.