Exploration of the universe /
George O. Abell, David Morrison, Sidney C. Wolff.
APA Citation
Abell, G. O. (George Ogden)., Wolff, S. C., Morrison, D. (1987). Exploration of the universe. 5th ed. Philadelphia: Saunders College Pub..
MLA Citation
Abell, George O. (George Ogden), 1927-1983, Sidney C Wolff, and David Morrison. Exploration of the Universe. 5th ed. Philadelphia: Saunders College Pub., 1987.
Warning: These citations may not always be complete (especially for serials).