APA (7th ed.) Citation

Grassmann, P., Hardbottle, R., & Sawistowski, H. (1971). Physical principles of chemical engineering. Pergamon Press.

Chicago Style (17th ed.) Citation

Grassmann, Peter, R. Hardbottle, and H. Sawistowski. Physical Principles of Chemical Engineering. Oxford: Pergamon Press, 1971.

MLA (8th ed.) Citation

Grassmann, Peter, et al. Physical Principles of Chemical Engineering. Pergamon Press, 1971.