APA (7th ed.) Citation

Killough, H. B., & Killough, L. W. (1929). Raw materials of industrialism. Crowell.

Chicago Style (17th ed.) Citation

Killough, Hugh B., and Lucy W. Killough. Raw Materials of Industrialism. New York: Crowell, 1929.

MLA (9th ed.) Citation

Killough, Hugh B., and Lucy W. Killough. Raw Materials of Industrialism. Crowell, 1929.