Cita APA (7a ed.)

Ostriker, J. P., & Mitton, S. (2013). Heart of Darkness: Unraveling the Mysteries of the Invisible Universe. Princeton University Press.

Cita Chicago Style (17a ed.)

Ostriker, J. P., y Simon Mitton. Heart of Darkness: Unraveling the Mysteries of the Invisible Universe. Princeton, New Jersey: Princeton University Press, 2013.

Cita MLA (8a ed.)

Ostriker, J. P., y Simon Mitton. Heart of Darkness: Unraveling the Mysteries of the Invisible Universe. Princeton University Press, 2013.