APA (7th ed.) Citation

Zierer, O., & Díaz-Plaja, F. (1977). History of Spain. Leon Amiel Publisher.

Chicago Style (17th ed.) Citation

Zierer, Otto, and Fernando Díaz-Plaja. History of Spain. Nueva York, Estados Unidos: Leon Amiel Publisher, 1977.

MLA (9th ed.) Citation

Zierer, Otto, and Fernando Díaz-Plaja. History of Spain. Leon Amiel Publisher, 1977.