APA (7th ed.) Citation

(1980). Grolier Academic Encyclopedia W-X-Y-Z, 20. Arete Publishing Company.

Chicago Style (17th ed.) Citation

Grolier Academic Encyclopedia W-X-Y-Z, 20. Arete Publishing Company, 1980.

MLA (8th ed.) Citation

Grolier Academic Encyclopedia W-X-Y-Z, 20. Arete Publishing Company, 1980.

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