Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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