Fishburne, W. B. (2003). Checkmates for Four Pieces. Project Gutenberg.
Chicago Style (17th ed.) CitationFishburne, William Brett. Checkmates for Four Pieces. Project Gutenberg, 2003.
MLA (9th ed.) CitationFishburne, William Brett. Checkmates for Four Pieces. Project Gutenberg, 2003.
Warning: These citations may not always be 100% accurate.