APA (7th ed.) Citation

Ferguson, A. M. (1909). Elementary principles of agriculture: A text book for the common schools. Ferguson Publishing Co..

Chicago Style (17th ed.) Citation

Ferguson, Alexander McGowen. Elementary Principles of Agriculture: A Text Book for the Common Schools. Sherman, Tex.: Ferguson Publishing Co., 1909.

MLA (9th ed.) Citation

Ferguson, Alexander McGowen. Elementary Principles of Agriculture: A Text Book for the Common Schools. Ferguson Publishing Co., 1909.