APA (7th ed.) Citation

Seeds, M. A. (1993). Horizons: Exploring the universe (4th ed.). Wadsworth.

Chicago Style (17th ed.) Citation

Seeds, Michael A. Horizons: Exploring the Universe. 4th ed. Belmont, Calif: Wadsworth, 1993.

MLA (9th ed.) Citation

Seeds, Michael A. Horizons: Exploring the Universe. 4th ed. Wadsworth, 1993.