APA (7th ed.) Citation

Schweitzer, F. (2005). Ich glaube. Apostolicum, 13-18.

Chicago Style (17th ed.) Citation

Schweitzer, Friedrich. "Ich Glaube." Apostolicum 2005: 13-18.

MLA (8th ed.) Citation

Schweitzer, Friedrich. "Ich Glaube." Apostolicum, 2005, pp. 13-18.

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