Cita APA (7th ed.)

Huygens, C. (1968). The celestial worlds discover'd (1st English ed. new impression.). Cass.

Cita Chicago (17th ed.)

Huygens, Christiaan. The Celestial Worlds Discover'd. 1st English ed. new impression. London: Cass, 1968.

Cita MLA (8th ed.)

Huygens, Christiaan. The Celestial Worlds Discover'd. 1st English ed. new impression. Cass, 1968.