Serenelli, A. M., Althaus, L. G., & Benvenuto, O. G. (2001). The ages and colours of cool helium-core white dwarf stars.
Cita Chicago Style (17a ed.)Serenelli, Aldo Marcelo, Leandro Gabriel Althaus, y Omar Gustavo Benvenuto. The Ages and Colours of Cool Helium-core White Dwarf Stars. 2001.
Cita MLA (8a ed.)Serenelli, Aldo Marcelo, et al. The Ages and Colours of Cool Helium-core White Dwarf Stars. 2001.
Precaución: Estas citas no son 100% exactas.