Cita APA (7a ed.)

Henry, R. B. C., Stephenson, B. G., Miller Bertolami, M. M., Kwitter, K. B., & Balick, B. (2018). On the production of He, C, and N by low- and intermediate-mass stars: A comparison of observed and model-predicted planetary nebula abundances.

Cita Chicago Style (17a ed.)

Henry, R. B. C., B. G. Stephenson, Marcelo Miguel Miller Bertolami, K. B. Kwitter, y B. Balick. On the Production of He, C, and N by Low- and Intermediate-mass Stars: A Comparison of Observed and Model-predicted Planetary Nebula Abundances. 2018.

Cita MLA (8a ed.)

Henry, R. B. C., et al. On the Production of He, C, and N by Low- and Intermediate-mass Stars: A Comparison of Observed and Model-predicted Planetary Nebula Abundances. 2018.