APA (7th ed.) Citation

Beiglböck, W. D. (1967). The center-of-mass in Einsteins theory of gravitation. Communications in mathematical physics, 5(2), . https://doi.org/10.1007/BF01646841

Chicago Style (17th ed.) Citation

Beiglböck, Wolf Dieter. "The Center-of-mass in Einsteins Theory of Gravitation." Communications in Mathematical Physics 5, no. 2 (1967). https://doi.org/10.1007/BF01646841.

MLA (9th ed.) Citation

Beiglböck, Wolf Dieter. "The Center-of-mass in Einsteins Theory of Gravitation." Communications in Mathematical Physics, vol. 5, no. 2, 1967, https://doi.org/10.1007/BF01646841.