APA (7th ed.) Citation

Heyer, F. (1980). St. Chrischona in Äthiopien. Fides pro mundi vita.

Chicago Style (17th ed.) Citation

Heyer, Friedrich. "St. Chrischona in Äthiopien." Fides Pro Mundi Vita 1980.

MLA (9th ed.) Citation

Heyer, Friedrich. "St. Chrischona in Äthiopien." Fides Pro Mundi Vita, 1980.

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