Cita APA (7a ed.)

Bowen, R., & Ferreira, P. (2002). The shape of a small universe: Signatures in the cosmic microwave background.

Cita Chicago Style (17a ed.)

Bowen, R., y P. Ferreira. The Shape of a Small Universe: Signatures in the Cosmic Microwave Background. 2002.

Cita MLA (9a ed.)

Bowen, R., y P. Ferreira. The Shape of a Small Universe: Signatures in the Cosmic Microwave Background. 2002.