Cita APA (7th ed.)

Lovell, B. (1967). Our present knowledge of the universe. Manchester University Press.

Cita Chicago (17th ed.)

Lovell, Bernard. Our Present Knowledge of the Universe. [Manchester]: Manchester University Press, 1967.

Cita MLA (8th ed.)

Lovell, Bernard. Our Present Knowledge of the Universe. Manchester University Press, 1967.