APA

Twenhofel W. H., . (1939). Principles of sedimentation. New York: McGraw-Hill.

Chicago

Twenhofel W H, . 1939. Principles of sedimentation. New York: McGraw-Hill.

Harvard

Twenhofel W. H., . (1939). Principles of sedimentation. New York: McGraw-Hill.

MLA

Twenhofel W H, . Principles of sedimentation. New York: McGraw-Hill. 1939.