APA (7th ed.) Citation

(1939). JRO-Tourenkarte Schwarzwald. JRO-Verl.

Chicago Style (17th ed.) Citation

JRO-Tourenkarte Schwarzwald. München: JRO-Verl, 1939.

MLA (9th ed.) Citation

JRO-Tourenkarte Schwarzwald. JRO-Verl, 1939.

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