APA (7th ed.) Citation

Occhionero, F., & Amendola, L. (1997). A bubbly universe. Physical review. D, Particles, fields, gravitation, and cosmology, 56(12), . https://doi.org/10.1103/PhysRevD.56.7588

Chicago Style (17th ed.) Citation

Occhionero, Franco, and Luca Amendola. "A Bubbly Universe." Physical Review. D, Particles, Fields, Gravitation, and Cosmology 56, no. 12 (1997). https://doi.org/10.1103/PhysRevD.56.7588.

MLA (9th ed.) Citation

Occhionero, Franco, and Luca Amendola. "A Bubbly Universe." Physical Review. D, Particles, Fields, Gravitation, and Cosmology, vol. 56, no. 12, 1997, https://doi.org/10.1103/PhysRevD.56.7588.