APA (7th ed.) Citation

Stieberger, S. (2011). Constraints on Tree-Level Higher Order Gravitational Couplings in Superstring Theory. Physical review letters, 106(11), 111601. https://doi.org/10.1103/PhysRevLett.106.111601

Chicago Style (17th ed.) Citation

Stieberger, Stephan. "Constraints on Tree-Level Higher Order Gravitational Couplings in Superstring Theory." Physical Review Letters 106, no. 11 (2011): 111601. https://doi.org/10.1103/PhysRevLett.106.111601.

MLA (9th ed.) Citation

Stieberger, Stephan. "Constraints on Tree-Level Higher Order Gravitational Couplings in Superstring Theory." Physical Review Letters, vol. 106, no. 11, 2011, p. 111601, https://doi.org/10.1103/PhysRevLett.106.111601.