King, A. (2026). Ultramassive Black Holes and the Three $M$-$σ$ Relations.
Chicago Style (17th ed.) CitationKing, Andrew. Ultramassive Black Holes and the Three $M$-$σ$ Relations. 2026.
MLA (9th ed.) CitationKing, Andrew. Ultramassive Black Holes and the Three $M$-$σ$ Relations. 2026.
Warning: These citations may not always be 100% accurate.