Garfinkle, D., & Garfinkle, R. (2008). Three steps to the universe: From the sun to black holes to the mystery of dark matter. The University of Chicago Press.
Chicago Style (17th ed.) CitationGarfinkle, David, and Richard Garfinkle. Three Steps to the Universe: From the Sun to Black Holes to the Mystery of Dark Matter. Chicago: The University of Chicago Press, 2008.
MLA (9th ed.) CitationGarfinkle, David, and Richard Garfinkle. Three Steps to the Universe: From the Sun to Black Holes to the Mystery of Dark Matter. The University of Chicago Press, 2008.
Warning: These citations may not always be 100% accurate.