Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

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