APA (7th ed.) Citation

Ridder, B. (1959). Kolping in Aller Welt. Kolping.

Chicago Style (17th ed.) Citation

Ridder, Bernhard. Kolping in Aller Welt. Köln: Kolping, 1959.

MLA (9th ed.) Citation

Ridder, Bernhard. Kolping in Aller Welt. Kolping, 1959.

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