APA (7th ed.) Citation

Valla, M. (1985). The power of numbers. DeVorss.

Chicago Style (17th ed.) Citation

Valla, Mary. The Power of Numbers. Marina del Rey: DeVorss, 1985.

MLA (9th ed.) Citation

Valla, Mary. The Power of Numbers. DeVorss, 1985.

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