APA (7th ed.) Citation

Steen, H. (1973). Flour milling in America. Greenwood Press.

Chicago Style (17th ed.) Citation

Steen, Herman. Flour Milling in America. Westport, Conn.: Greenwood Press, 1973.

MLA (9th ed.) Citation

Steen, Herman. Flour Milling in America. Greenwood Press, 1973.