Cita APA

Weidmann, W. A., & Gamen, R. C. (2011). Central stars of planetary nebulae: II. New OB-type and emission-line stars. Web

Citación estilo Chicago

Weidmann, W. A., and Roberto Claudio Gamen. Central Stars of Planetary Nebulae: II. New OB-type and Emission-line Stars. 2011.

Cita MLA

Weidmann, W. A., and Roberto Claudio Gamen. Central Stars of Planetary Nebulae: II. New OB-type and Emission-line Stars. 2011.