APA (7th ed.) Citation

New Sydenham Society, Graefe, A. v., Kussmaul, A., Tenner, A., & Wagner, A. (1859). Selected monographs. The Society.

Chicago Style (17th ed.) Citation

New Sydenham Society, Albrecht von Graefe, Adolf Kussmaul, Adolf Tenner, and A. Wagner. Selected Monographs. London: The Society, 1859.

MLA (8th ed.) Citation

New Sydenham Society, et al. Selected Monographs. The Society, 1859.