APA (7th ed.) Citation

Heufelder, E. M. (1940). Mysterium iniquitatis.

Chicago Style (17th ed.) Citation

Heufelder, Emmanuel Maria. Mysterium Iniquitatis. Niederaltaich, 1940.

MLA (9th ed.) Citation

Heufelder, Emmanuel Maria. Mysterium Iniquitatis. 1940.

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