APA (7th ed.) Citation

Abell, G. (1964). Exploration of the universe. Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Abell, G. Exploration of the Universe. New York: Holt, Rinehart and Winston, 1964.

MLA (9th ed.) Citation

Abell, G. Exploration of the Universe. Holt, Rinehart and Winston, 1964.

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