APA (7th ed.) Citation

Sullivan, W., Sabbatini, A., & Michaels, B. (1979). Black holes: The edge of space, the end of time (4. ed.). Anchor Press ; Doubleday.

Chicago Style (17th ed.) Citation

Sullivan, Walter, Andrew Sabbatini, and Bob Michaels. Black Holes: The Edge of Space, the End of Time. 4. ed. Garden City, N.Y: Anchor Press ; Doubleday, 1979.

MLA (9th ed.) Citation

Sullivan, Walter, et al. Black Holes: The Edge of Space, the End of Time. 4. ed. Anchor Press ; Doubleday, 1979.