APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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