APA (7th ed.) Citation

Foster, J. B. (2003). Spalding's Official Baseball Guide - 1913. Project Gutenberg.

Chicago Style (17th ed.) Citation

Foster, John B. Spalding's Official Baseball Guide - 1913. Project Gutenberg, 2003.

MLA (9th ed.) Citation

Foster, John B. Spalding's Official Baseball Guide - 1913. Project Gutenberg, 2003.

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