APA (7th ed.) Citation

Kösters, L. (1938). War Petrus in Rom? Stimmen der Zeit, 133(1), 50-53.

Chicago Style (17th ed.) Citation

Kösters, Ludwig. "War Petrus in Rom?" Stimmen Der Zeit 133, no. 1 (1938): 50-53.

MLA (9th ed.) Citation

Kösters, Ludwig. "War Petrus in Rom?" Stimmen Der Zeit, vol. 133, no. 1, 1938, pp. 50-53.

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