APA (7th ed.) Citation

SpringerLink (Online service), Frei, G., Lemmermeyer, F., Roquette, P. J., & Frei, G. (2014). Emil artin and Helmut Hasse: The correspondence 1923-1958. Springer Basel.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), Günther Frei, Franz Lemmermeyer, Peter J. Roquette, and Gunther Frei. Emil Artin and Helmut Hasse: The Correspondence 1923-1958. Basel: Springer Basel, 2014.

MLA (8th ed.) Citation

SpringerLink (Online service), et al. Emil Artin and Helmut Hasse: The Correspondence 1923-1958. Springer Basel, 2014.