Cita APA (7a ed.)

Williams, M. E., Lannom, L., & Robins, C. G. (1997). Computer-readable databases: A directory and data sourcebook. University Microfilms International.

Cita Chicago Style (17a ed.)

Williams, Martha E., Laurence Lannom, y Carolyn G. Robins. Computer-readable Databases: A Directory and Data Sourcebook. Ann Arbor: University Microfilms International, 1997.

Cita MLA (9a ed.)

Williams, Martha E., et al. Computer-readable Databases: A Directory and Data Sourcebook. University Microfilms International, 1997.