APA (7th ed.) Citation

(1990). Encyclopaedia of human knowledge: In six volumes. Caxton publications.

Chicago Style (17th ed.) Citation

Encyclopaedia of Human Knowledge: In Six Volumes. New Delhi: Caxton publications, 1990.

MLA (9th ed.) Citation

Encyclopaedia of Human Knowledge: In Six Volumes. Caxton publications, 1990.

Warning: These citations may not always be 100% accurate.