APA Citation

Seeds, & Backman. (2012). Horizons: Exploring the universe (12th ed.). Belmont CA: Thomson Brooks/Cole.

Chicago Style Citation

Seeds, and Backman. Horizons: Exploring the Universe. 12th ed. Belmont CA: Thomson Brooks/Cole, 2012.

MLA Citation

Seeds, and Backman. Horizons: Exploring the Universe. 12th ed. Belmont CA: Thomson Brooks/Cole, 2012.

Warning: These citations may not always be 100% accurate.