Kniazev, A. Y., & Grebel, E. K. (2004). Spectroscopy of PNe in Sextans A, Sextans B, NGC 3109 and Fornax. Arxiv.
Chicago Style (17th ed.) CitationKniazev, Alexei Y., and Eva K. Grebel. "Spectroscopy of PNe in Sextans A, Sextans B, NGC 3109 and Fornax." Arxiv 2004.
MLA (9th ed.) CitationKniazev, Alexei Y., and Eva K. Grebel. "Spectroscopy of PNe in Sextans A, Sextans B, NGC 3109 and Fornax." Arxiv, 2004.
Warning: These citations may not always be 100% accurate.