Cita APA (7th ed.)

Batty, C. (1981). An introduction to the nineteenth edition of the Dewey Decimal classification. Clive Bingley.

Cita Chicago (17th ed.)

Batty, C.D. An Introduction to the Nineteenth Edition of the Dewey Decimal Classification. London: Clive Bingley, 1981.

Cita MLA (9th ed.)

Batty, C.D. An Introduction to the Nineteenth Edition of the Dewey Decimal Classification. Clive Bingley, 1981.