APA (7th ed.) Citation

Steen, H. (1939). '... habe meine Pflicht getan' (1.-10. Tsd.). Sponholtz.

Chicago Style (17th ed.) Citation

Steen, Hans. '... Habe Meine Pflicht Getan'. 1.-10. Tsd. Hannover: Sponholtz, 1939.

MLA (9th ed.) Citation

Steen, Hans. '... Habe Meine Pflicht Getan'. 1.-10. Tsd. Sponholtz, 1939.

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