APA (7th ed.) Citation

Barden, L. W. (1963). The Ruy Lopez: Winning chess with 1 P-K4. Pergamon Press Cacho Hermanos.

Chicago Style (17th ed.) Citation

Barden, Leonard W. The Ruy Lopez: Winning Chess with 1 P-K4. New York, [Mandaluyong, Rizal: Pergamon Press Cacho Hermanos, 1963.

MLA (9th ed.) Citation

Barden, Leonard W. The Ruy Lopez: Winning Chess with 1 P-K4. Pergamon Press Cacho Hermanos, 1963.