APA (7th ed.) Citation

Rosemergy, J. C. (1977). Celestial horizons: A concise view of the universe. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Rosemergy, John C. Celestial Horizons: A Concise View of the Universe. Boston: Allyn and Bacon, 1977.

MLA (9th ed.) Citation

Rosemergy, John C. Celestial Horizons: A Concise View of the Universe. Allyn and Bacon, 1977.