Cita APA (7th ed.)
Ramotowski, B. Secrets of Stargazing: Skywatching Tips and Tricks. Sky and Telescope.
Cita Chicago (17th ed.)
Ramotowski, Becky. Secrets of Stargazing: Skywatching Tips and Tricks. Cambridge, EUA: Sky and Telescope.
Cita MLA (9th ed.)
Ramotowski, Becky. Secrets of Stargazing: Skywatching Tips and Tricks. Sky and Telescope.
Atenció: Aquestes cites poden no estar 100% correctes.