Cita APA

(1972). Modern century illustrated encyclopaedia, Vol.9: Mass productions to Nervous system. Modern Century Illustrated Encyclopaedia.

Chicago Edition Citation

Modern Century Illustrated Encyclopaedia, Vol.9: Mass Productions to Nervous System. New York: Modern Century Illustrated Encyclopaedia, 1972.

Cita MLA

Modern Century Illustrated Encyclopaedia, Vol.9: Mass Productions to Nervous System. Modern Century Illustrated Encyclopaedia, 1972.