APA (7th ed.) Citation

Cho, Y., & Manzano, R. W. (1984). More than numbers. Word Books.

Chicago Style (17th ed.) Citation

Cho, Yong-gi, and R. Whitney Manzano. More than Numbers. Waco, Tex.: Word Books, 1984.

MLA (9th ed.) Citation

Cho, Yong-gi, and R. Whitney Manzano. More than Numbers. Word Books, 1984.

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