APA (7th ed.) Citation

Burke, G., Germain, C. A., & Van Ullen, M. K. (2003). URLs in the OPAC: Integrating or Disintegrating Research Libraries' Catalogs.

Chicago Style (17th ed.) Citation

Burke, Gerald, Carol Anne Germain, and Mary K. Van Ullen. URLs in the OPAC: Integrating or Disintegrating Research Libraries' Catalogs. 2003.

MLA (9th ed.) Citation

Burke, Gerald, et al. URLs in the OPAC: Integrating or Disintegrating Research Libraries' Catalogs. 2003.