APA (7th ed.) Citation

Peccei, R. D., Solà, J., & Wetterich, C. (1987). Adjusting the cosmological constant dynamically: Cosmons and a new force weaker than gravity. Physics letters, 195(2), . https://doi.org/10.1016/0370-2693(87)91191-9

Chicago Style (17th ed.) Citation

Peccei, Roberto D., Joan Solà, and Christof Wetterich. "Adjusting the Cosmological Constant Dynamically: Cosmons and a New Force Weaker than Gravity." Physics Letters 195, no. 2 (1987). https://doi.org/10.1016/0370-2693(87)91191-9.

MLA (9th ed.) Citation

Peccei, Roberto D., et al. "Adjusting the Cosmological Constant Dynamically: Cosmons and a New Force Weaker than Gravity." Physics Letters, vol. 195, no. 2, 1987, https://doi.org/10.1016/0370-2693(87)91191-9.