APA (7th ed.) Citation

Abell, G. (1964). Explanation of the Universe. Holt, Rinebart and winston.

Chicago Style (17th ed.) Citation

Abell, George. Explanation of the Universe. USA: Holt, Rinebart and winston, 1964.

MLA (9th ed.) Citation

Abell, George. Explanation of the Universe. Holt, Rinebart and winston, 1964.

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