Cita APA (7th ed.)

Romero, G. E., & Vita, G. S. (2014). Introduction to black hole astrophysics. Springer.

Cita Chicago (17th ed.)

Romero, Gustavo E., i Gabriela S. Vita. Introduction to Black Hole Astrophysics. New York: Springer, 2014.

Cita MLA (9th ed.)

Romero, Gustavo E., i Gabriela S. Vita. Introduction to Black Hole Astrophysics. Springer, 2014.