APA (7th ed.) Citation

Ozawa, H., Turzynski, A., & Yamaguchi, T. Kendo: The definitive guide.

Chicago Style (17th ed.) Citation

Ozawa, Hiroshi, Angela Turzynski, and Tamiko Yamaguchi. Kendo: The Definitive Guide.

MLA (9th ed.) Citation

Ozawa, Hiroshi, et al. Kendo: The Definitive Guide.