APA (7th ed.) Citation

Page, T., & Page, L. W. (1969). Beyond the Milky Way: Galaxies, quasars, and the new cosmology. Macmillan.

Chicago Style (17th ed.) Citation

Page, Thornton, and Lou Williams Page. Beyond the Milky Way: Galaxies, Quasars, and the New Cosmology. [New York]: Macmillan, 1969.

MLA (9th ed.) Citation

Page, Thornton, and Lou Williams Page. Beyond the Milky Way: Galaxies, Quasars, and the New Cosmology. Macmillan, 1969.