Cita APA (7a ed.)

Doudnikoff, B. (1973). Information retrieval. Auerbach Publishers Inc.

Cita Chicago Style (17a ed.)

Doudnikoff, Basil. Information Retrieval. Philadelphia: Auerbach Publishers Inc, 1973.

Cita MLA (9a ed.)

Doudnikoff, Basil. Information Retrieval. Auerbach Publishers Inc, 1973.