APA (7th ed.) Citation

MacCallum, M. A. H. (2026). Comment: Exact vacuum solution with Hopf structure in general relativity.

Chicago Style (17th ed.) Citation

MacCallum, Malcolm A. H. Comment: Exact Vacuum Solution with Hopf Structure in General Relativity. 2026.

MLA (9th ed.) Citation

MacCallum, Malcolm A. H. Comment: Exact Vacuum Solution with Hopf Structure in General Relativity. 2026.

Warning: These citations may not always be 100% accurate.