Förster, S. v. (1921). Das Reserve-Infanterie-Regiment Nr. 31. Stalling.
Chicago Style (17th ed.) CitationFörster, Sigismund v. Das Reserve-Infanterie-Regiment Nr. 31. Oldenburg [u.a.]: Stalling, 1921.
MLA (9th ed.) CitationFörster, Sigismund v. Das Reserve-Infanterie-Regiment Nr. 31. Stalling, 1921.
Warning: These citations may not always be 100% accurate.