Cita APA (7a ed.)

Brown, R. L., & Richards, J. C. (1970). Principles of powder mechanics: Essays on the packing and flow of powders and bulk solids. Pergamon Press.

Cita Chicago Style (17a ed.)

Brown, R. L., y J. C. Richards. Principles of Powder Mechanics: Essays on the Packing and Flow of Powders and Bulk Solids. Oxford: Pergamon Press, 1970.

Cita MLA (8a ed.)

Brown, R. L., y J. C. Richards. Principles of Powder Mechanics: Essays on the Packing and Flow of Powders and Bulk Solids. Pergamon Press, 1970.