APA (7th ed.) Citation

Helsing, J. v. Geheimgesellschaften. Ewert.

Chicago Style (17th ed.) Citation

Helsing, Jan van. Geheimgesellschaften. Rhede (Ems) [u.a.]: Ewert.

MLA (8th ed.) Citation

Helsing, Jan van. Geheimgesellschaften. Ewert.

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