APA (7th ed.) Citation

Marolf, D., & Morrison, I. A. (2009). Group averaging for de Sitter free fields. Classical and quantum gravity, 26(23), 235003-235003 (28). https://doi.org/10.1088/0264-9381/26/23/235003

Chicago Style (17th ed.) Citation

Marolf, Donald, and Ian A. Morrison. "Group Averaging for De Sitter Free Fields." Classical and Quantum Gravity 26, no. 23 (2009): 235003-235003 (28). https://doi.org/10.1088/0264-9381/26/23/235003.

MLA (9th ed.) Citation

Marolf, Donald, and Ian A. Morrison. "Group Averaging for De Sitter Free Fields." Classical and Quantum Gravity, vol. 26, no. 23, 2009, pp. 235003-235003 (28), https://doi.org/10.1088/0264-9381/26/23/235003.