Cita APA (7a ed.)

Sayers, W. C. B. (1915). Canons of classification: Applied to the subject, the expansive, the decimal and the Library of Congress classifications. Grafton.

Cita Chicago Style (17a ed.)

Sayers, W. C. Berwick. Canons of Classification: Applied to the Subject, the Expansive, the Decimal and the Library of Congress Classifications. London: Grafton, 1915.

Cita MLA (9a ed.)

Sayers, W. C. Berwick. Canons of Classification: Applied to the Subject, the Expansive, the Decimal and the Library of Congress Classifications. Grafton, 1915.