Cita APA (7a ed.)

Ambartsumyan, V. (1958). Theoretical astrophysics. Pergamon Press.

Cita Chicago Style (17a ed.)

Ambartsumyan, V.A. Theoretical Astrophysics. London: Pergamon Press, 1958.

Cita MLA (9a ed.)

Ambartsumyan, V.A. Theoretical Astrophysics. Pergamon Press, 1958.