The German language,
by Dr. Richard S. Rosenthal ..

APA Citation

Rosenthal, R. S. (1905). The German language. Haulenbeek cor. ed. .. New York [etc.]: The International College of Languages.

MLA Citation

Rosenthal, Richard S. The German Language. Haulenbeek cor. ed. .. New York [etc.]: The International College of Languages, 1905.

Warning: These citations may not always be complete (especially for serials).