Cita APA (7a ed.)

Narlikar, J. V. [. (1999). Seven wonders of the cosmos. Univ. Pr..

Cita Chicago Style (17a ed.)

Narlikar, Jayant V. [Vishnu]. Seven Wonders of the Cosmos. Cambridge: Univ. Pr., 1999.

Cita MLA (9a ed.)

Narlikar, Jayant V. [Vishnu]. Seven Wonders of the Cosmos. Univ. Pr., 1999.