Seeds, M. A. (1987). Horizons: Exploring the universe. Wadsworth.
Chicago Style (17th ed.) CitationSeeds, Michael A. Horizons: Exploring the Universe. Wadsworth, 1987.
MLA (8th ed.) CitationSeeds, Michael A. Horizons: Exploring the Universe. Wadsworth, 1987.
Warning: These citations may not always be 100% accurate.