APA Style

Tyson, N, D, G. (1997). Merlin’s tour of the universe : a skywatcher’s guide to everything from Mars and quasars to comets, planets, blue moons and werewolves / Neil de Grasse Tyson. . : Main Street Books.

MLA Style

Tyson, Neil, De, Grasse.. "Merlin’s tour of the universe : a skywatcher’s guide to everything from Mars and quasars to comets, planets, blue moons and werewolves / Neil de Grasse Tyson.". : Main Street Books, 1997. Text.