APA Style

Johnson, Steven. (2014). How We Got to Now: Six Innovations that Made the Modern World . New York: Riverhead Books.

Chicago Style

Johnson, Steven. How We Got to Now: Six Innovations that Made the Modern World. New York: Riverhead Books, 2014. Text.

MLA Style

Johnson, Steven. How We Got to Now: Six Innovations that Made the Modern World. New York: Riverhead Books, 2014. Text.

Turabian Style

Johnson, Steven. How We Got to Now: Six Innovations that Made the Modern World. New York: Riverhead Books, 2014. Print.