APA (7th ed.) Citation

Seeds, M. A. (1989). Horizons: Exploring the universe (3rd ed.). Wadsworth Pub. Co.

Chicago Style (17th ed.) Citation

Seeds, Michael A. Horizons: Exploring the Universe. 3rd ed. Belmont, Calif: Wadsworth Pub. Co, 1989.

MLA (9th ed.) Citation

Seeds, Michael A. Horizons: Exploring the Universe. 3rd ed. Wadsworth Pub. Co, 1989.