APA (7th ed.) Citation

Wolff, R. G. (1965). Infrared absorption patterns (OH region) of several clay minerals. American Mineralogist, 50, 240.

Chicago Style (17th ed.) Citation

Wolff, R. G. "Infrared Absorption Patterns (OH Region) of Several Clay Minerals." American Mineralogist 50 (1965): 240.

MLA (9th ed.) Citation

Wolff, R. G. "Infrared Absorption Patterns (OH Region) of Several Clay Minerals." American Mineralogist, vol. 50, 1965, p. 240.