APA (7th ed.) Citation

Robinson, H. P. (2009). The Twentieth Century American Being a Comparative Study of the Peoples of the Two Great Anglo-Saxon Nations. Project Gutenberg.

Chicago Style (17th ed.) Citation

Robinson, Harry Perry. The Twentieth Century American Being a Comparative Study of the Peoples of the Two Great Anglo-Saxon Nations. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Robinson, Harry Perry. The Twentieth Century American Being a Comparative Study of the Peoples of the Two Great Anglo-Saxon Nations. Project Gutenberg, 2009.

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