APA (7th ed.) Citation

ABELL, G. O. Realm of The Universe#George O. Abell. Saunders College Publishing.

Chicago Style (17th ed.) Citation

ABELL, George O. Realm of The Universe#George O. Abell. Saunders College Publishing.

MLA (8th ed.) Citation

ABELL, George O. Realm of The Universe#George O. Abell. Saunders College Publishing.

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