APA (7th ed.) Citation

Křížek, F., Křížek, M., & Šolc, J. How massive is the black hole at the centre of our Galaxy?

Chicago Style (17th ed.) Citation

Křížek, F., M. Křížek, and J. Šolc. How Massive Is the Black Hole at the Centre of Our Galaxy?

MLA (9th ed.) Citation

Křížek, F., et al. How Massive Is the Black Hole at the Centre of Our Galaxy?

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