Cita APA (7th ed.)

Smith, F. G. (1966). Radio astronomy (Revised ed.). Penguin.

Cita Chicago (17th ed.)

Smith, F. Graham. Radio Astronomy. Revised ed. Harmondsworth: Penguin, 1966.

Cita MLA (8th ed.)

Smith, F. Graham. Radio Astronomy. Revised ed. Penguin, 1966.