APA (7th ed.) Citation

Fries, H. (1963). CREER Y SABER. Guadarrama.

Chicago Style (17th ed.) Citation

Fries, Heinrich. CREER Y SABER. Madrid: Guadarrama, 1963.

MLA (9th ed.) Citation

Fries, Heinrich. CREER Y SABER. Guadarrama, 1963.

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