APA (7th ed.) Citation

Tohei, K. (1962). What is Aikido? Rikugei Pub. House.

Chicago Style (17th ed.) Citation

Tohei, Koichi. What Is Aikido? Tokyo: Rikugei Pub. House, 1962.

MLA (9th ed.) Citation

Tohei, Koichi. What Is Aikido? Rikugei Pub. House, 1962.

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