(1926). Das Zigeunerproblem. Deutsches Polizei-Archiv.
Chicago Style (17th ed.) Citation"Das Zigeunerproblem." Deutsches Polizei-Archiv 1926.
MLA (8th ed.) Citation"Das Zigeunerproblem." Deutsches Polizei-Archiv, 1926.
Warning: These citations may not always be 100% accurate.
