APA (7th ed.) Citation

Harrison, E. R. (1981). Cosmology: The science of the universe. Univ. Pr.

Chicago Style (17th ed.) Citation

Harrison, Edward R. Cosmology: The Science of the Universe. Cambridge: Univ. Pr, 1981.

MLA (9th ed.) Citation

Harrison, Edward R. Cosmology: The Science of the Universe. Univ. Pr, 1981.