APA (7th ed.) Citation

Brown, C., & Magorrian, S. (2013). Three-dimensional Keplerian orbit-superposition models of the nucleus of M31.

Chicago Style (17th ed.) Citation

Brown, C., and S. Magorrian. Three-dimensional Keplerian Orbit-superposition Models of the Nucleus of M31. 2013.

MLA (9th ed.) Citation

Brown, C., and S. Magorrian. Three-dimensional Keplerian Orbit-superposition Models of the Nucleus of M31. 2013.

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