Cita APA (7a ed.)

Friedrichs, O. (1912). La Question Louis XVII: Response à Frédéric Masson / [von] Otto Friedrichs. Daragon.

Cita Chicago Style (17a ed.)

Friedrichs, Otto. La Question Louis XVII: Response à Frédéric Masson / [von] Otto Friedrichs. Paris: Daragon, 1912.

Cita MLA (8a ed.)

Friedrichs, Otto. La Question Louis XVII: Response à Frédéric Masson / [von] Otto Friedrichs. Daragon, 1912.