Cita APA (7a ed.)

Huegel, F. v., & Greene, G. (1936). Letters from Baron Friedrich von Hügel to a Niece. Dent and Sons.

Cita Chicago Style (17a ed.)

Huegel, Friedrich von, y Gwendolen Greene. Letters from Baron Friedrich Von Hügel to a Niece. London: Dent and Sons, 1936.

Cita MLA (9a ed.)

Huegel, Friedrich von, y Gwendolen Greene. Letters from Baron Friedrich Von Hügel to a Niece. Dent and Sons, 1936.