APA (7th ed.) Citation

Achelis, E. C. (1890). Praktische Theologie. Praktische Theologie.

Chicago Style (17th ed.) Citation

Achelis, Ernst Christian. "Praktische Theologie." Praktische Theologie 1890.

MLA (8th ed.) Citation

Achelis, Ernst Christian. "Praktische Theologie." Praktische Theologie, 1890.

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