APA (7th ed.) Citation

Cai, R., Cao, L., & Hu, Y. (2009). Hawking radiation of an apparent horizon in a FRW universe. Classical and quantum gravity, 26(15), 155018-155018 (7). https://doi.org/10.1088/0264-9381/26/15/155018

Chicago Style (17th ed.) Citation

Cai, Rong-Gen, Li-Ming Cao, and Ya-Peng Hu. "Hawking Radiation of an Apparent Horizon in a FRW Universe." Classical and Quantum Gravity 26, no. 15 (2009): 155018-155018 (7). https://doi.org/10.1088/0264-9381/26/15/155018.

MLA (9th ed.) Citation

Cai, Rong-Gen, et al. "Hawking Radiation of an Apparent Horizon in a FRW Universe." Classical and Quantum Gravity, vol. 26, no. 15, 2009, pp. 155018-155018 (7), https://doi.org/10.1088/0264-9381/26/15/155018.