Cita APA (7a ed.)

Silk, J. (2009). Horizons of cosmology: Exploring worlds seen and unseen. Templeton Press.

Cita Chicago Style (17a ed.)

Silk, Joseph. Horizons of Cosmology: Exploring Worlds Seen and Unseen. West Conshohocken, PA: Templeton Press, 2009.

Cita MLA (9a ed.)

Silk, Joseph. Horizons of Cosmology: Exploring Worlds Seen and Unseen. Templeton Press, 2009.