Παραπομπή σε μορφή APA (7η εκδ.)

Zhang, H. (2026). The Penrose Inequality for Metrics with Singular Sets. Acta Mathematica Sinica, 42(9), 2394-2412. https://doi.org/10.1007/s10114-026-4671-2

Παραπομπή σε μορφή Chicago (17η εκδ.)

Zhang, Huaiyu. "The Penrose Inequality for Metrics with Singular Sets." Acta Mathematica Sinica 42, no. 9 (2026): 2394-2412. https://doi.org/10.1007/s10114-026-4671-2.

Παραπομπή σε μορφή MLA (9th εκδ.)

Zhang, Huaiyu. "The Penrose Inequality for Metrics with Singular Sets." Acta Mathematica Sinica, vol. 42, no. 9, 2026, pp. 2394-2412, https://doi.org/10.1007/s10114-026-4671-2.