Cita APA (7a ed.)

Gubser, S. S., & Pretorius, F. (2017). The little book of black holes. Princeton University Press.

Cita Chicago Style (17a ed.)

Gubser, Steven S., y Frans Pretorius. The Little Book of Black Holes. Princeton, New Jersey: Princeton University Press, 2017.

Cita MLA (8a ed.)

Gubser, Steven S., y Frans Pretorius. The Little Book of Black Holes. Princeton University Press, 2017.