Seeds, & Backman. (2012). Horizons: Exploring the universe (12th ed.). Belmont CA: Thomson Brooks/Cole.
Chicago Style CitationSeeds, and Backman. Horizons: Exploring the Universe. 12th ed. Belmont CA: Thomson Brooks/Cole, 2012.
MLA CitationSeeds, and Backman. Horizons: Exploring the Universe. 12th ed. Belmont CA: Thomson Brooks/Cole, 2012.
Warning: These citations may not always be 100% accurate.