APA (7th ed.) Citation

Schmidt, K., & Sering, M. (1930). Nachbarländer. Duncker & Humblot.

Chicago Style (17th ed.) Citation

Schmidt, Karl, and Max Sering. Nachbarländer. München [u.a.]: Duncker & Humblot, 1930.

MLA (8th ed.) Citation

Schmidt, Karl, and Max Sering. Nachbarländer. Duncker & Humblot, 1930.