Cita APA (7th ed.)

Abetti, G. (1968). The Exploration of the universe. Faber and Faber.

Cita Chicago (17th ed.)

Abetti, Georgio. The Exploration of the Universe. London: Faber and Faber, 1968.

Cita MLA (9th ed.)

Abetti, Georgio. The Exploration of the Universe. Faber and Faber, 1968.