APA (7th ed.) Citation

United States. National Aeronautics and Space Administration & Goddard Space Flight Center. Astrophysics Science Division. (2009). Imagine the universe!: Cosmic times ; Astronomy picture of the day, 2008 ; Starchild (13th ed.). National Aeronautics and Space Administration.

Chicago Style (17th ed.) Citation

United States. National Aeronautics and Space Administration and Goddard Space Flight Center. Astrophysics Science Division. Imagine the Universe!: Cosmic Times ; Astronomy Picture of the Day, 2008 ; Starchild. 13th ed. [Greenbelt, Md.]: National Aeronautics and Space Administration, 2009.

MLA (9th ed.) Citation

United States. National Aeronautics and Space Administration and Goddard Space Flight Center. Astrophysics Science Division. Imagine the Universe!: Cosmic Times ; Astronomy Picture of the Day, 2008 ; Starchild. 13th ed. National Aeronautics and Space Administration, 2009.