APA (7th ed.) Citation

Young, L. B. (1986). The unfinished universe. Simon and Schuster.

Chicago Style (17th ed.) Citation

Young, Louise B. The Unfinished Universe. New York: Simon and Schuster, 1986.

MLA (9th ed.) Citation

Young, Louise B. The Unfinished Universe. Simon and Schuster, 1986.

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