Barden, L., & Harding, T. D. (1976). The Batsford guide to chess openings / Leonard Barden, Tim Harding. Batsford.
Chicago Style (17th ed.) CitationBarden, Leonard, and T. D. Harding. The Batsford Guide to Chess Openings / Leonard Barden, Tim Harding. London: Batsford, 1976.
MLA (9th ed.) CitationBarden, Leonard, and T. D. Harding. The Batsford Guide to Chess Openings / Leonard Barden, Tim Harding. Batsford, 1976.
Warning: These citations may not always be 100% accurate.