APA (7th ed.) Citation

Frey, E. (1977). Untersuchungen zur Kolloidchemie von Tonmineralen.

Chicago Style (17th ed.) Citation

Frey, Emmo. Untersuchungen Zur Kolloidchemie Von Tonmineralen. 1977.

MLA (9th ed.) Citation

Frey, Emmo. Untersuchungen Zur Kolloidchemie Von Tonmineralen. 1977.

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