APA Citation

Gros, E., & Richards, J. W. The last sister of Walsdorf: A historical romance in the days of the thirty years war. Columbus, Ohio: The Book Concern.

Chicago Style Citation

Gros, Erwin, and John William Richards. The Last Sister of Walsdorf: A Historical Romance in the Days of the Thirty Years War. Columbus, Ohio: The Book Concern.

MLA Citation

Gros, Erwin, and John William Richards. The Last Sister of Walsdorf: A Historical Romance in the Days of the Thirty Years War. Columbus, Ohio: The Book Concern.

Warning: These citations may not always be 100% accurate.