Levi-Civita, T. (1964). The n-body problem in general relativity. D. Reidel Pub. Co..
Chicago Style (17th ed.) CitationLevi-Civita, Tullio. The N-body Problem in General Relativity. Dordrecht, Holland: D. Reidel Pub. Co., 1964.
MLA (9th ed.) CitationLevi-Civita, Tullio. The N-body Problem in General Relativity. D. Reidel Pub. Co., 1964.
Warning: These citations may not always be 100% accurate.