APA citiranje

Bull, P., & Kamionkowski, M. (2013). What if Planck's Universe isn't flat?

Chicago Style (17th ed.) Citation

Bull, P., and M. Kamionkowski. What If Planck's Universe Isn't Flat? 2013.

MLA citiranje

Bull, P., and M. Kamionkowski. What If Planck's Universe Isn't Flat? 2013.