APA aipamena

Taylor, J. G. (1974). Black holes: The end of the universe? Fontana/Collins.

Chicago Style aipamena

Taylor, John Gerald. Black Holes: The End of the Universe? New York: Fontana/Collins, 1974.

MLA aipamena

Taylor, John Gerald. Black Holes: The End of the Universe? Fontana/Collins, 1974.