APA (7th ed.) Citation

Regatillo, E. F. (1933). Concordatos. "Sal Terrae".

Chicago Style (17th ed.) Citation

Regatillo, Eduardo F. Concordatos. Santander: "Sal Terrae", 1933.

MLA (9th ed.) Citation

Regatillo, Eduardo F. Concordatos. "Sal Terrae", 1933.

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