APA citiranje

Richardson, E., & Farley, A. W. (1960). John Palmer Usher: Lincoln's Secretary of the Interior. Kansas U.P..

Chicago Style (17th ed.) Citation

Richardson, Elmo, and Alan W. Farley. John Palmer Usher: Lincoln's Secretary of the Interior. Lawrence: Kansas U.P., 1960.

MLA citiranje

Richardson, Elmo, and Alan W. Farley. John Palmer Usher: Lincoln's Secretary of the Interior. Kansas U.P., 1960.