APA (7th ed.) Citation

Kajatkari, P., Hackman, T., Jetsu, L., Lehtinen, J., & Henry, G. W. (2014). Spot activity of the RS Canum Venaticorum star σ Geminorum. Astronomy & Astrophysics / Astronomie et Astrophysique, 562, 1. https://doi.org/10.1051/0004-6361/201321291

Chicago Style (17th ed.) Citation

Kajatkari, P., T. Hackman, L. Jetsu, J. Lehtinen, and G. W. Henry. "Spot Activity of the RS Canum Venaticorum Star σ Geminorum." Astronomy & Astrophysics / Astronomie Et Astrophysique 562 (2014): 1. https://doi.org/10.1051/0004-6361/201321291.

MLA (9th ed.) Citation

Kajatkari, P., et al. "Spot Activity of the RS Canum Venaticorum Star σ Geminorum." Astronomy & Astrophysics / Astronomie Et Astrophysique, vol. 562, 2014, p. 1, https://doi.org/10.1051/0004-6361/201321291.

Warning: These citations may not always be 100% accurate.