APA (7th ed.) Citation

Lorenz, F., & Roquette, P. (2010). On the Arf invariant in historical perspective. Mathematische Semesterberichte, 57(1), . https://doi.org/10.1007/s00591-010-0072-8

Chicago Style (17th ed.) Citation

Lorenz, Falko, and Peter Roquette. "On the Arf Invariant in Historical Perspective." Mathematische Semesterberichte 57, no. 1 (2010). https://doi.org/10.1007/s00591-010-0072-8.

MLA (9th ed.) Citation

Lorenz, Falko, and Peter Roquette. "On the Arf Invariant in Historical Perspective." Mathematische Semesterberichte, vol. 57, no. 1, 2010, https://doi.org/10.1007/s00591-010-0072-8.