Roylance, F. D. (1998). Astronomers: Up to two-thirds of stars, galaxies hidden. Today.
Chicago Style (17th ed.) CitationRoylance, Frank D. "Astronomers: Up to Two-thirds of Stars, Galaxies Hidden." Today 1998.
MLA (9th ed.) CitationRoylance, Frank D. "Astronomers: Up to Two-thirds of Stars, Galaxies Hidden." Today, 1998.
Warning: These citations may not always be 100% accurate.