Cita APA (7a ed.)

van Rijsbergen, C. J., & Oddy, R. N. C. (1981). Information retrieval research. Butterworths.

Cita Chicago Style (17a ed.)

van Rijsbergen, C. J., y R. N Contributor Oddy. Information Retrieval Research. [Place of publication not identified]: Butterworths, 1981.

Cita MLA (9a ed.)

van Rijsbergen, C. J., y R. N Contributor Oddy. Information Retrieval Research. Butterworths, 1981.