Cita APA (7th ed.)
Ratledge, D. (2005). Digital Astrophotography: The State of the Art. Springer London. https://doi.org/10.1007/1-84628-256-X
Cita Chicago (17th ed.)
Ratledge, David. Digital Astrophotography: The State of the Art. London: Springer London, 2005. https://doi.org/10.1007/1-84628-256-X.
Cita MLA (9th ed.)
Ratledge, David. Digital Astrophotography: The State of the Art. Springer London, 2005. https://doi.org/10.1007/1-84628-256-X.
Atenció: Aquestes cites poden no estar 100% correctes.