APA (7th ed.) Citation

(1996). Hubble: A new window to the universe (2. [Dr.].). Copernicus.

Chicago Style (17th ed.) Citation

Hubble: A New Window to the Universe. 2. [Dr.]. New York, NY: Copernicus, 1996.

MLA (9th ed.) Citation

Hubble: A New Window to the Universe. 2. [Dr.]. Copernicus, 1996.