Appenzeller, I., Wolf, B., & Stahl, O. (1987). An extended nebulosity surrounding the S Dor variable R 127. Instabilities in luminous early type stars.
Chicago Style (17th ed.) CitationAppenzeller, Immo, Bernhard Wolf, and Otmar Stahl. "An Extended Nebulosity Surrounding the S Dor Variable R 127." Instabilities in Luminous Early Type Stars 1987.
MLA (9th ed.) CitationAppenzeller, Immo, et al. "An Extended Nebulosity Surrounding the S Dor Variable R 127." Instabilities in Luminous Early Type Stars, 1987.
Warning: These citations may not always be 100% accurate.