APA (7th ed.) Citation

Howells, W. W. (1963). Back of history: The story of our own origins. Doubleday and Company.

Chicago Style (17th ed.) Citation

Howells, William W. Back of History: The Story of Our Own Origins. Garden City, N.Y: Doubleday and Company, 1963.

MLA (9th ed.) Citation

Howells, William W. Back of History: The Story of Our Own Origins. Doubleday and Company, 1963.