Cita APA

Richardson, N. D., Gies, D. R., Henry, T. J., Fernandez Lajus, E. E., & Okazaki, A. T. (2010). The H-alpha variations of Eta Carinae during the 2009.0 spectroscopic event. Web

Citación estilo Chicago

Richardson, N. D., D. R. Gies, T. J. Henry, Eduardo Eusebio Fernandez Lajus, and A. T. Okazaki. The H-alpha Variations of Eta Carinae During the 2009.0 Spectroscopic Event. 2010.

Cita MLA

Richardson, N. D., et al. The H-alpha Variations of Eta Carinae During the 2009.0 Spectroscopic Event. 2010.