APA (7th ed.) Citation

Tyson, N. d. (1989). Merlin's tour of the universe. Columbia University Press.

Chicago Style (17th ed.) Citation

Tyson, Neil deGrasse. Merlin's Tour of the Universe. New York: Columbia University Press, 1989.

MLA (9th ed.) Citation

Tyson, Neil deGrasse. Merlin's Tour of the Universe. Columbia University Press, 1989.

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