APA (7th ed.) Citation

Weaver, J. E., Jean, F. C., & Crist, J. W. (1922). Developmemt and activities of roots of crop plants: A study in crop ecology. Carnegie institution of Washington.

Chicago Style (17th ed.) Citation

Weaver, John E., Frank Covert Jean, and John W. Crist. Developmemt and Activities of Roots of Crop Plants: A Study in Crop Ecology. Washington: Carnegie institution of Washington, 1922.

MLA (9th ed.) Citation

Weaver, John E., et al. Developmemt and Activities of Roots of Crop Plants: A Study in Crop Ecology. Carnegie institution of Washington, 1922.

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