Helbing, L., & Bock, C. V. Friedrich Gundolf: Lothar Helbing. C. V. Bock. On four modern humanists : Hofmannsthal, Gundolf, Curtius, Kantorowicz.(1970).
Chicagoスタイル(17版)引用形式Helbing, Lothar, , C. V. Bock. "Friedrich Gundolf: Lothar Helbing. C. V. Bock." On Four Modern Humanists : Hofmannsthal, Gundolf, Curtius, Kantorowicz.(1970) .
MLA(8版)引用形式Helbing, Lothar, , C. V. Bock. "Friedrich Gundolf: Lothar Helbing. C. V. Bock." On Four Modern Humanists : Hofmannsthal, Gundolf, Curtius, Kantorowicz.(1970), .
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