Cita APA (7a ed.)

Hardt, C. (1957). Quatre conversions: Martin Giebner, Georges Klünder, Rodolphe Goethe, Henri Schlier. Editions Salvator.

Cita Chicago Style (17a ed.)

Hardt, Charles. Quatre Conversions: Martin Giebner, Georges Klünder, Rodolphe Goethe, Henri Schlier. Mulhouse: Editions Salvator, 1957.

Cita MLA (9a ed.)

Hardt, Charles. Quatre Conversions: Martin Giebner, Georges Klünder, Rodolphe Goethe, Henri Schlier. Editions Salvator, 1957.