APA (7th ed.) Citation

Willis, H. P., & Byers, J. R. B. (1924). Portland cement prices, their basis, character, and present position. Ronald press.

Chicago Style (17th ed.) Citation

Willis, Henry Parker, and John R. B. Byers. Portland Cement Prices, Their Basis, Character, and Present Position. New York: Ronald press, 1924.

MLA (9th ed.) Citation

Willis, Henry Parker, and John R. B. Byers. Portland Cement Prices, Their Basis, Character, and Present Position. Ronald press, 1924.