APA (7th ed.) Citation

Motch, C., Pakull, M., Soria, R., Grisé, F., & Pietrzynski, G. (2014). A mass of less than 15 solar masses for the black hole in an ultraluminous X-ray source. Nature Publishing Group.

Chicago Style (17th ed.) Citation

Motch, C., M. Pakull, Roberto Soria, F. Grisé, and G. Pietrzynski. A Mass of Less than 15 Solar Masses for the Black Hole in an Ultraluminous X-ray Source. Nature Publishing Group, 2014.

MLA (9th ed.) Citation

Motch, C., et al. A Mass of Less than 15 Solar Masses for the Black Hole in an Ultraluminous X-ray Source. Nature Publishing Group, 2014.

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