APA (7th ed.) Citation

Brigham, W. T. (2012). Baltimore Hats Past and Present. Project Gutenberg.

Chicago Style (17th ed.) Citation

Brigham, William T. Baltimore Hats Past and Present. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Brigham, William T. Baltimore Hats Past and Present. Project Gutenberg, 2012.

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