APA (7th ed.) Citation

Sullivan, W. (1979). Black holes: The edge of space, the end of time. Anchor Press : Doubleday.

Chicago Style (17th ed.) Citation

Sullivan, Walter. Black Holes: The Edge of Space, the End of Time. Garden City, N.Y.: Anchor Press : Doubleday, 1979.

MLA (8th ed.) Citation

Sullivan, Walter. Black Holes: The Edge of Space, the End of Time. Anchor Press : Doubleday, 1979.