APA (7th ed.) Citation

Yerkes, G. E. (1929). Propagation of trees and shrubs. U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Yerkes, Guy E. Propagation of Trees and Shrubs. Washington, D.C: U.S. Dept. of Agriculture, 1929.

MLA (9th ed.) Citation

Yerkes, Guy E. Propagation of Trees and Shrubs. U.S. Dept. of Agriculture, 1929.