APA (7th ed.) Citation

Hellerman, S., & Walcher, J. (2005). Dark matter and the anthropic principle. Physical review. D, Particles, fields, gravitation, and cosmology, 72(12), . https://doi.org/10.1103/PhysRevD.72.123520

Chicago Style (17th ed.) Citation

Hellerman, Simeon, and Johannes Walcher. "Dark Matter and the Anthropic Principle." Physical Review. D, Particles, Fields, Gravitation, and Cosmology 72, no. 12 (2005). https://doi.org/10.1103/PhysRevD.72.123520.

MLA (9th ed.) Citation

Hellerman, Simeon, and Johannes Walcher. "Dark Matter and the Anthropic Principle." Physical Review. D, Particles, Fields, Gravitation, and Cosmology, vol. 72, no. 12, 2005, https://doi.org/10.1103/PhysRevD.72.123520.

Warning: These citations may not always be 100% accurate.