Cita APA (7a ed.)

Cardorff, P. (1991). Martin Heidegger. Campus Verlag.

Cita Chicago Style (17a ed.)

Cardorff, Peter. Martin Heidegger. New York: Campus Verlag, 1991.

Cita MLA (9a ed.)

Cardorff, Peter. Martin Heidegger. Campus Verlag, 1991.