APA (7th ed.) Citation

Silvester, J. P., & Klingbiel, P. H. (1993). An operational system for subject switching between controlled vocabularies. Information processing & management, 29(1), 47-59. https://doi.org/10.1016/0306-4573(93)90022-6

Chicago Style (17th ed.) Citation

Silvester, June P., and Paul H. Klingbiel. "An Operational System for Subject Switching Between Controlled Vocabularies." Information Processing & Management 29, no. 1 (1993): 47-59. https://doi.org/10.1016/0306-4573(93)90022-6.

MLA (9th ed.) Citation

Silvester, June P., and Paul H. Klingbiel. "An Operational System for Subject Switching Between Controlled Vocabularies." Information Processing & Management, vol. 29, no. 1, 1993, pp. 47-59, https://doi.org/10.1016/0306-4573(93)90022-6.