APA (7th ed.) Citation

Sheppard, M. E. (1947). Cloud by day: The story of coal and coke and people. University of North Carolina Press.

Chicago Style (17th ed.) Citation

Sheppard, Muriel Earley. Cloud by Day: The Story of Coal and Coke and People. Chapel Hill, NC: University of North Carolina Press, 1947.

MLA (8th ed.) Citation

Sheppard, Muriel Earley. Cloud by Day: The Story of Coal and Coke and People. University of North Carolina Press, 1947.