Cita APA (7a ed.)

(1973). Chambers's encyclopædia (New rev. ed.). International Learning Systems Corporation Limited.

Cita Chicago Style (17a ed.)

Chambers's Encyclopædia. New rev. ed. London: International Learning Systems Corporation Limited, 1973.

Cita MLA (9a ed.)

Chambers's Encyclopædia. New rev. ed. International Learning Systems Corporation Limited, 1973.