Hubbell. (2013). Scientific Astrophotography (1.). Springer New York.
Cita Chicago (17th ed.)Hubbell. Scientific Astrophotography. 1. Springer New York, 2013.
Cita MLA (8th ed.)Hubbell. Scientific Astrophotography. 1. Springer New York, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.