APA (7th ed.) Citation

Higinbotham, H. D., & Arnold, C. D. (2007). Official Views Of The World's Columbian Exposition. Project Gutenberg.

Chicago Style (17th ed.) Citation

Higinbotham, H. D., and C. D. Arnold. Official Views Of The World's Columbian Exposition. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Higinbotham, H. D., and C. D. Arnold. Official Views Of The World's Columbian Exposition. Project Gutenberg, 2007.

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