APA (7th ed.) Citation

Leighton, M. M., & Willman, H. B. (1950). Loess formations of the Mississippi Valley.

Chicago Style (17th ed.) Citation

Leighton, Morris M., and Harold Bowen Willman. Loess Formations of the Mississippi Valley. Urbana, Illinois, 1950.

MLA (9th ed.) Citation

Leighton, Morris M., and Harold Bowen Willman. Loess Formations of the Mississippi Valley. 1950.

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