APA Citatie

Payne-Gaposchkin, C., & Gaposchkin, S. (1952). Variable stars im Milton Fields 28 to 54. Annals of the Astronomical Observatory of Harvard College 115.

Chicago Style citaat

Payne-Gaposchkin, Cecilia, en Sergei Gaposchkin. "Variable Stars Im Milton Fields 28 to 54." Annals of the Astronomical Observatory of Harvard College 115 1952.

MLA citatie

Payne-Gaposchkin, Cecilia, en Sergei Gaposchkin. "Variable Stars Im Milton Fields 28 to 54." Annals of the Astronomical Observatory of Harvard College 115 1952.