Cita APA (7a ed.)

Bean, L., & Dise, J. R. (1969). Causes of variation in chemical analyses and physical test of Portland cement. National Bureau of Standards.

Cita Chicago Style (17a ed.)

Bean, Leonard, y John R. Dise. Causes of Variation in Chemical Analyses and Physical Test of Portland Cement. Washington: National Bureau of Standards, 1969.

Cita MLA (9a ed.)

Bean, Leonard, y John R. Dise. Causes of Variation in Chemical Analyses and Physical Test of Portland Cement. National Bureau of Standards, 1969.