APA (7th ed.) Citation

Okada, S. (2000). Mathematics for elementary school, 4th grade. Gakkoh Tosho.

Chicago Style (17th ed.) Citation

Okada, Shigeru. Mathematics for Elementary School, 4th Grade. Tokio: Gakkoh Tosho, 2000.

MLA (9th ed.) Citation

Okada, Shigeru. Mathematics for Elementary School, 4th Grade. Gakkoh Tosho, 2000.