Cita APA (7a ed.)

Levi-Civita, T. (1965). The n-body problem in general relativity. D. Reidel Pub. Co.

Cita Chicago Style (17a ed.)

Levi-Civita, Tullio. The N-body Problem in General Relativity. Dordrecht, Holland: D. Reidel Pub. Co, 1965.

Cita MLA (8a ed.)

Levi-Civita, Tullio. The N-body Problem in General Relativity. D. Reidel Pub. Co, 1965.