Cita APA (7th ed.)
Bailyn, C. D. (2014). What does a black hole look like? Princeton University Press.
Cita Chicago (17th ed.)
Bailyn, Charles D. What Does a Black Hole Look like? Princeton, New Jersey ; Oxfordshire, England: Princeton University Press, 2014.
Cita MLA (9th ed.)
Bailyn, Charles D. What Does a Black Hole Look like? Princeton University Press, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.