Spurzem, R. (1992). Evolution of stars and gas in galactic nuclei. Variabilities in stars and galaxies.
Chicago Style (17th ed.) CitationSpurzem, Rainer. "Evolution of Stars and Gas in Galactic Nuclei." Variabilities in Stars and Galaxies 1992.
MLA (9th ed.) CitationSpurzem, Rainer. "Evolution of Stars and Gas in Galactic Nuclei." Variabilities in Stars and Galaxies, 1992.
Warning: These citations may not always be 100% accurate.