American Astronomical Society. (1953). Astrophysical Journal. University of Chicago Press.
Citação do estilo Chicago (17ª ed.)American Astronomical Society. Astrophysical Journal. Chicago, Ill: University of Chicago Press, 1953.
Citação MLA (8ª ed.)American Astronomical Society. Astrophysical Journal. University of Chicago Press, 1953.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.