Cita APA (7a ed.)

Becker, W., & Tommissen, P. (1998). Briefe an Carl Schmitt. Duncker & Humblot.

Cita Chicago Style (17a ed.)

Becker, Werner, y Piet Tommissen. Briefe an Carl Schmitt. Berlin: Duncker & Humblot, 1998.

Cita MLA (9a ed.)

Becker, Werner, y Piet Tommissen. Briefe an Carl Schmitt. Duncker & Humblot, 1998.