APA (7th ed.) Citation

Hara, K. (2011). An Introduction to the History of Japan. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hara, Katsuro. An Introduction to the History of Japan. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Hara, Katsuro. An Introduction to the History of Japan. Project Gutenberg, 2011.

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