APA (7th ed.) Citation

Sand, G. (1950). Juan de la Roca. Espasa-Calpe Argentina.

Chicago Style (17th ed.) Citation

Sand, George. Juan De La Roca. Buenos Aires [etc.]: Espasa-Calpe Argentina, 1950.

MLA (9th ed.) Citation

Sand, George. Juan De La Roca. Espasa-Calpe Argentina, 1950.

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