APA (7th ed.) Citation

Relgis Eugen. (1972). The principles of humanism. Ediciones La Escula Moderna.

Chicago Style (17th ed.) Citation

Relgis Eugen. The Principles of Humanism. Ediciones La Escula Moderna, 1972.

MLA (8th ed.) Citation

Relgis Eugen. The Principles of Humanism. Ediciones La Escula Moderna, 1972.

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