Cita APA (7a ed.)

Helbing, L., & Bock, C. V. Friedrich Gundolf: Lothar Helbing. C. V. Bock. On four modern humanists : Hofmannsthal, Gundolf, Curtius, Kantorowicz.(1970).

Cita Chicago Style (17a ed.)

Helbing, Lothar, y C. V. Bock. "Friedrich Gundolf: Lothar Helbing. C. V. Bock." On Four Modern Humanists : Hofmannsthal, Gundolf, Curtius, Kantorowicz.(1970) .

Cita MLA (8a ed.)

Helbing, Lothar, y C. V. Bock. "Friedrich Gundolf: Lothar Helbing. C. V. Bock." On Four Modern Humanists : Hofmannsthal, Gundolf, Curtius, Kantorowicz.(1970), .