Cita APA (7th ed.)

Harrison, E. (2013). Cosmology: The science of the universe. U.pr..

Cita Chicago (17th ed.)

Harrison, Edward. Cosmology: The Science of the Universe. Cambridge: U.pr., 2013.

Cita MLA (9th ed.)

Harrison, Edward. Cosmology: The Science of the Universe. U.pr., 2013.