Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Cowgill, U. M. (1967). A method for the determination of free silica in lake sediments by use of X-ray emission spectroscopy.

Chicago Citation Edition Citation

Cowgill, Ursula M. A Method for the Determination of Free Silica in Lake Sediments by Use of X-ray Emission Spectroscopy. Stuttgart, 1967.

MLA Citation Edition Citation

Cowgill, Ursula M. A Method for the Determination of Free Silica in Lake Sediments by Use of X-ray Emission Spectroscopy. 1967.