APA (7th ed.) Citation

(1950). Petrus, der Fels. Calig-Bildbandverl.

Chicago Style (17th ed.) Citation

Petrus, Der Fels. Freiburg i. Br: Calig-Bildbandverl, 1950.

MLA (9th ed.) Citation

Petrus, Der Fels. Calig-Bildbandverl, 1950.

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