APA (7th ed.) Citation

Helfferich, F. G. (1962). Ion exchange / by F. Helfferich. McGraw-Hill.

Chicago Style (17th ed.) Citation

Helfferich, Friedrich G. Ion Exchange / by F. Helfferich. McGraw-Hill, 1962.

MLA (9th ed.) Citation

Helfferich, Friedrich G. Ion Exchange / by F. Helfferich. McGraw-Hill, 1962.

Warning: These citations may not always be 100% accurate.