APA (7th ed.) Citation

Keller, G., Kopper, C., & Salmhofer, M. (1992). Perturbative renormalization and effective Lagrangians in phi**4 in four-dimensions. Helvetica physica acta, 65(?), .

Chicago Style (17th ed.) Citation

Keller, Georg, Christoph Kopper, and Manfred Salmhofer. "Perturbative Renormalization and Effective Lagrangians in Phi**4 in Four-dimensions." Helvetica Physica Acta 65, no. ? (1992).

MLA (9th ed.) Citation

Keller, Georg, et al. "Perturbative Renormalization and Effective Lagrangians in Phi**4 in Four-dimensions." Helvetica Physica Acta, vol. 65, no. ?, 1992.