APA Citation

Abell, G. O. (1973). Realm of the universe. New York: Holt, Rinehart and Winston.

Chicago Style Citation

Abell, George O. Realm of the Universe. New York: Holt, Rinehart and Winston, 1973.

MLA Citation

Abell, George O. Realm of the Universe. New York: Holt, Rinehart and Winston, 1973.

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