APA (7th ed.) Citation

Spurzem, R. (1999). Direct N-body simulations. Journal of computational and applied mathematics, 109(1/2), . https://doi.org/10.1016/S0377-0427(99)00166-1

Chicago Style (17th ed.) Citation

Spurzem, Rainer. "Direct N-body Simulations." Journal of Computational and Applied Mathematics 109, no. 1/2 (1999). https://doi.org/10.1016/S0377-0427(99)00166-1.

MLA (9th ed.) Citation

Spurzem, Rainer. "Direct N-body Simulations." Journal of Computational and Applied Mathematics, vol. 109, no. 1/2, 1999, https://doi.org/10.1016/S0377-0427(99)00166-1.