APA (7th ed.) Citation

(1894). Katechismus der Religion des Geistes. Heisler.

Chicago Style (17th ed.) Citation

Katechismus Der Religion Des Geistes. Heisler, 1894.

MLA (8th ed.) Citation

Katechismus Der Religion Des Geistes. Heisler, 1894.

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