APA (7th ed.) Citation

Keene, R. D., & Botterill, G. S. (1972). The modern defence: 1 ... P-KN3 : a universal panacea to 1 P-K4, 1 P-Q4 or 1 P-QB4. Cacho Hermanos.

Chicago Style (17th ed.) Citation

Keene, Raymond D., and G. S. Botterill. The Modern Defence: 1 ... P-KN3 : A Universal Panacea to 1 P-K4, 1 P-Q4 or 1 P-QB4. Mandaluyong, Rizal: Cacho Hermanos, 1972.

MLA (9th ed.) Citation

Keene, Raymond D., and G. S. Botterill. The Modern Defence: 1 ... P-KN3 : A Universal Panacea to 1 P-K4, 1 P-Q4 or 1 P-QB4. Cacho Hermanos, 1972.