APA (7th ed.) Citation

Rees, A. M. (1962). Relevancy and pertinency in indexing. American Documentation, 13(1), 93-94. https://doi.org/10.1002/asi.5090130113

Chicago Style (17th ed.) Citation

Rees, Alan M. "Relevancy and Pertinency in Indexing." American Documentation 13, no. 1 (1962): 93-94. https://doi.org/10.1002/asi.5090130113.

MLA (9th ed.) Citation

Rees, Alan M. "Relevancy and Pertinency in Indexing." American Documentation, vol. 13, no. 1, 1962, pp. 93-94, https://doi.org/10.1002/asi.5090130113.