APA Citation

Abell, G. O. (1982). Exploration of the universe (4th ed.). Philadelphia: Saunders College Publishing.

Chicago Style Citation

Abell, George O. Exploration of the Universe. 4th ed. Philadelphia: Saunders College Publishing, 1982.

MLA Citation

Abell, George O. Exploration of the Universe. 4th ed. Philadelphia: Saunders College Publishing, 1982.

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