APA (7th ed.) Citation

Shore, G. M. (2003). Constructing Time Machines. International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics, 18(23), 4169. https://doi.org/10.1142/S0217751X03015118

Chicago Style (17th ed.) Citation

Shore, G. M. "Constructing Time Machines." International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics 18, no. 23 (2003): 4169. https://doi.org/10.1142/S0217751X03015118.

MLA (9th ed.) Citation

Shore, G. M. "Constructing Time Machines." International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics, vol. 18, no. 23, 2003, p. 4169, https://doi.org/10.1142/S0217751X03015118.