APA (7th ed.) Citation

Ōkawa, R. (2003). An unshakable mind: How to overcome life?s difficulties. Lantern Books.

Chicago Style (17th ed.) Citation

Ōkawa, Ryūhō. An Unshakable Mind: How to Overcome Life?s Difficulties. New York: Lantern Books, 2003.

MLA (9th ed.) Citation

Ōkawa, Ryūhō. An Unshakable Mind: How to Overcome Life?s Difficulties. Lantern Books, 2003.

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