APA (7th ed.) Citation

Cookson, C., & Leal, A. (1977). El cordón invisible. Javier Vergara Editor.

Chicago Style (17th ed.) Citation

Cookson, Catherine, and Aníbal Leal. El Cordón Invisible. España: Javier Vergara Editor, 1977.

MLA (9th ed.) Citation

Cookson, Catherine, and Aníbal Leal. El Cordón Invisible. Javier Vergara Editor, 1977.

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