Cita APA

Walborn, N. R., Howarth, I. D., Lennon, D. J., Massey, P., Oey, M. S., Moffat, A. F. J., . . . Parker, J. W. (2002). A new spectral classification system for the earliest O stars: Definition of type O2. Web

Citación estilo Chicago

Walborn, Nolan Revere, et al. A New Spectral Classification System for the Earliest O Stars: Definition of Type O2. 2002.

Cita MLA

Walborn, Nolan Revere, et al. A New Spectral Classification System for the Earliest O Stars: Definition of Type O2. 2002.