APA (7th ed.) Citation

Ueshiba, M., Stevens, J., & Takahashi, H. (2010). The heart of Aikido: The philosophy of Takemusu Aiki. Kodansha International.

Chicago Style (17th ed.) Citation

Ueshiba, Morihei, John Stevens, and Hideo Takahashi. The Heart of Aikido: The Philosophy of Takemusu Aiki. Tokyo ; New York: Kodansha International, 2010.

MLA (9th ed.) Citation

Ueshiba, Morihei, et al. The Heart of Aikido: The Philosophy of Takemusu Aiki. Kodansha International, 2010.