Krolik, J. H. Active galactic nuclei.
Chicago Edition CitationKrolik, Julian H. Active Galactic Nuclei.
MLA引文Krolik, Julian H. Active Galactic Nuclei.
警告：这些引文格式不一定是100％准确.
APA引文
Krolik, J. H. Active galactic nuclei.
Chicago Edition CitationKrolik, Julian H. Active Galactic Nuclei.
MLA引文Krolik, Julian H. Active Galactic Nuclei.