APA (7th ed.) Citation

Walcher, J. (2009). Extended holomorphic anomaly and loop amplitudes in open topological string. Nuclear physics. B, Particle physics, 817(3), . https://doi.org/10.1016/j.nuclphysb.2009.02.006

Chicago Style (17th ed.) Citation

Walcher, Johannes. "Extended Holomorphic Anomaly and Loop Amplitudes in Open Topological String." Nuclear Physics. B, Particle Physics 817, no. 3 (2009). https://doi.org/10.1016/j.nuclphysb.2009.02.006.

MLA (9th ed.) Citation

Walcher, Johannes. "Extended Holomorphic Anomaly and Loop Amplitudes in Open Topological String." Nuclear Physics. B, Particle Physics, vol. 817, no. 3, 2009, https://doi.org/10.1016/j.nuclphysb.2009.02.006.