APA (7th ed.) Citation

Badilles, G. (1974). The chessbook on modern openings. Queensbook.

Chicago Style (17th ed.) Citation

Badilles, Glicerio. The Chessbook on Modern Openings. [Cebu City: Queensbook, 1974.

MLA (9th ed.) Citation

Badilles, Glicerio. The Chessbook on Modern Openings. Queensbook, 1974.

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