APA (7th ed.) Citation

Weaver, J. E., & Crist, J. W. (1922). Relation of hardpan to root penetration in the Great Plains ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Weaver, John E., and John W. Crist. Relation of Hardpan to Root Penetration in the Great Plains. [Sonderdr.]. 1922.

MLA (9th ed.) Citation

Weaver, John E., and John W. Crist. Relation of Hardpan to Root Penetration in the Great Plains. [Sonderdr.]. 1922.