Sokolʹskiĭ, A. P., Golombek, H., & Strauss, E. (1972). The modern openings in theory and practice: Their influence on the middle game. Pitman.
Chicago Style (17th ed.) CitationSokolʹskiĭ, A. P., Harry Golombek, and E. Strauss. The Modern Openings in Theory and Practice: Their Influence on the Middle Game. London: Pitman, 1972.
MLA (9th ed.) CitationSokolʹskiĭ, A. P., et al. The Modern Openings in Theory and Practice: Their Influence on the Middle Game. Pitman, 1972.
Warning: These citations may not always be 100% accurate.