APA (7th ed.) Citation

Griffith, W., & Vallely, H. E. (1970). Fifty famous Americans. Books for Libraries Press.

Chicago Style (17th ed.) Citation

Griffith, Ward, and Henry E. Vallely. Fifty Famous Americans. Freeport, N.Y.: Books for Libraries Press, 1970.

MLA (9th ed.) Citation

Griffith, Ward, and Henry E. Vallely. Fifty Famous Americans. Books for Libraries Press, 1970.