APA (7th ed.) Citation

Ellenbog, N., Bigelmair, A., & Zoepfl, F. (1938). Briefwechsel. Aschendorff.

Chicago Style (17th ed.) Citation

Ellenbog, Nikolaus, Andreas Bigelmair, and Friedrich Zoepfl. Briefwechsel. Münster: Aschendorff, 1938.

MLA (9th ed.) Citation

Ellenbog, Nikolaus, et al. Briefwechsel. Aschendorff, 1938.