APA (7th ed.) Citation

ABELL, G. O. (1927). 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, 1927.

MLA (8th ed.) Citation

ABELL, George O. Realm of The Universe - George O. Abell. Saunders College Publishing, 1927.

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