Payne-Gaposchkin, C., & Gaposchkin, S. (1952). Variable stars im Milton Fields 28 to 54. Annals of the Astronomical Observatory of Harvard College 115.
Citação norma ChicagoPayne-Gaposchkin, Cecilia, and Sergei Gaposchkin. "Variable Stars Im Milton Fields 28 to 54." Annals of the Astronomical Observatory of Harvard College 115 1952.
Citação norma MLAPayne-Gaposchkin, Cecilia, and Sergei Gaposchkin. "Variable Stars Im Milton Fields 28 to 54." Annals of the Astronomical Observatory of Harvard College 115 1952.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.