APA (7th ed.) Citation

End, W. (1992). Non-orientable surfaces in 3-manifolds. Archiv der Mathematik, 59(2), . https://doi.org/10.1007/BF01190680

Chicago Style (17th ed.) Citation

End, Werner. "Non-orientable Surfaces in 3-manifolds." Archiv Der Mathematik 59, no. 2 (1992). https://doi.org/10.1007/BF01190680.

MLA (9th ed.) Citation

End, Werner. "Non-orientable Surfaces in 3-manifolds." Archiv Der Mathematik, vol. 59, no. 2, 1992, https://doi.org/10.1007/BF01190680.