APA-Zitierstil (7. Ausg.)

Wetterich, C. (2003). Crossover quintessence and cosmological history of fundamental “constants”. Physics letters, 561(1-2), . https://doi.org/10.1016/S0370-2693(03)00383-6

Chicago-Zitierstil (17. Ausg.)

Wetterich, Christof. "Crossover Quintessence and Cosmological History of Fundamental “constants”." Physics Letters 561, no. 1-2 (2003). https://doi.org/10.1016/S0370-2693(03)00383-6.

MLA-Zitierstil (9. Ausg.)

Wetterich, Christof. "Crossover Quintessence and Cosmological History of Fundamental “constants”." Physics Letters, vol. 561, no. 1-2, 2003, https://doi.org/10.1016/S0370-2693(03)00383-6.