APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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