Cita APA (7th ed.)
Wallenquist, Å. (1954). A General Catalogue of differences in magnitudes of double stars: With a survey of double star photometry.
Cita Chicago (17th ed.)
Wallenquist, Åke. A General Catalogue of Differences in Magnitudes of Double Stars: With a Survey of Double Star Photometry. Uppsala, 1954.
Cita MLA (9th ed.)
Wallenquist, Åke. A General Catalogue of Differences in Magnitudes of Double Stars: With a Survey of Double Star Photometry. 1954.
Atenció: Aquestes cites poden no estar 100% correctes.