APA (7th ed.) Citation

Roquette, P. (2010). Numbers and models, standard and nonstandard. Mathematische Semesterberichte, 57(2), . https://doi.org/10.1007/s00591-010-0074-6

Chicago Style (17th ed.) Citation

Roquette, Peter. "Numbers and Models, Standard and Nonstandard." Mathematische Semesterberichte 57, no. 2 (2010). https://doi.org/10.1007/s00591-010-0074-6.

MLA (9th ed.) Citation

Roquette, Peter. "Numbers and Models, Standard and Nonstandard." Mathematische Semesterberichte, vol. 57, no. 2, 2010, https://doi.org/10.1007/s00591-010-0074-6.