APA (7th ed.) Citation

Deguchi, H. Train your brain just by solving! Hiroshi Deguchi's theory training.

Chicago Style (17th ed.) Citation

Deguchi, Hiroshi. Train Your Brain Just by Solving! Hiroshi Deguchi's Theory Training.

MLA (9th ed.) Citation

Deguchi, Hiroshi. Train Your Brain Just by Solving! Hiroshi Deguchi's Theory Training.

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