Riedler, J., Beirl, W., Bittner, E., Hauke, A., Homolka, P., & Markum, H. (1999). Phase structure and graviton propagators in lattice formulations of four-dimensional quantum gravity. Classical and quantum gravity, 16(4), . https://doi.org/10.1088/0264-9381/16/4/006
Chicago Style (17th ed.) CitationRiedler, Jürgen, Wolfgang Beirl, Elmar Bittner, Alf Hauke, Peter Homolka, and Harald Markum. "Phase Structure and Graviton Propagators in Lattice Formulations of Four-dimensional Quantum Gravity." Classical and Quantum Gravity 16, no. 4 (1999). https://doi.org/10.1088/0264-9381/16/4/006.
MLA (9th ed.) CitationRiedler, Jürgen, et al. "Phase Structure and Graviton Propagators in Lattice Formulations of Four-dimensional Quantum Gravity." Classical and Quantum Gravity, vol. 16, no. 4, 1999, https://doi.org/10.1088/0264-9381/16/4/006.