Cita APA (7a ed.)

Buchanan, B. (1979). Theory of library classification. C. Bingley ; K.G. Saur.

Cita Chicago Style (17a ed.)

Buchanan, Brian. Theory of Library Classification. London : New York [etc.]: C. Bingley ; K.G. Saur, 1979.

Cita MLA (9a ed.)

Buchanan, Brian. Theory of Library Classification. C. Bingley ; K.G. Saur, 1979.