Cita APA (7a ed.)

(1973). Chambers's encyclopaedia (New rev. ed.). International Learning Systems.

Cita Chicago Style (17a ed.)

Chambers's Encyclopaedia. New rev. ed. London: International Learning Systems, 1973.

Cita MLA (9a ed.)

Chambers's Encyclopaedia. New rev. ed. International Learning Systems, 1973.