APA (7th ed.) Citation

Nagar, A., & Rezzolla, L. (2005). Gauge-invariant non-spherical metric perturbations of Schwarzschild black-hole spacetimes. Classical and quantum gravity, 22(16), R167-R192. https://doi.org/10.1088/0264-9381/22/16/R01

Chicago Style (17th ed.) Citation

Nagar, Alessandro, and Luciano Rezzolla. "Gauge-invariant Non-spherical Metric Perturbations of Schwarzschild Black-hole Spacetimes." Classical and Quantum Gravity 22, no. 16 (2005): R167-R192. https://doi.org/10.1088/0264-9381/22/16/R01.

MLA (9th ed.) Citation

Nagar, Alessandro, and Luciano Rezzolla. "Gauge-invariant Non-spherical Metric Perturbations of Schwarzschild Black-hole Spacetimes." Classical and Quantum Gravity, vol. 22, no. 16, 2005, pp. R167-R192, https://doi.org/10.1088/0264-9381/22/16/R01.

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