Oelsner, J., & Horowitz, W. (1997). The 30-Star-Catalogue HS 1897 and The Late Parallel BM 55502.
Chicago Style (17th ed.) CitationOelsner, Joachim, and Wayne Horowitz. The 30-Star-Catalogue HS 1897 and The Late Parallel BM 55502. 1997.
MLA (8th ed.) CitationOelsner, Joachim, and Wayne Horowitz. The 30-Star-Catalogue HS 1897 and The Late Parallel BM 55502. 1997.
Warning: These citations may not always be 100% accurate.