APA (7th ed.) Citation

Seeds, M. A., & Backman, D. E. (2010). Horizons exploring the universe. Brook/Cole.

Chicago Style (17th ed.) Citation

Seeds, Michael A., and Dana E. Backman. Horizons Exploring the Universe. Brook/Cole, 2010.

MLA (8th ed.) Citation

Seeds, Michael A., and Dana E. Backman. Horizons Exploring the Universe. Brook/Cole, 2010.

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