Olfers, H. v. (1914). Hedwig v. Olfers geb. v. Staegemann. Mittler.
Chicagoスタイル(17版)引用形式Olfers, Hedwig von. Hedwig V. Olfers Geb. V. Staegemann. Berlin: Mittler, 1914.
MLA(8版)引用形式Olfers, Hedwig von. Hedwig V. Olfers Geb. V. Staegemann. Mittler, 1914.
警告: この引用は必ずしも正確ではありません.