Cita APA (7th ed.)

Hoover Presidential Library Association & Hawley, E. W. (1981). Herbert Hoover as Secretary of Commerce: Studies in New Era thought and practice. University of Iowa Press.

Cita Chicago (17th ed.)

Hoover Presidential Library Association i Ellis W. Hawley. Herbert Hoover as Secretary of Commerce: Studies in New Era Thought and Practice. Iowa City, Iowa: University of Iowa Press, 1981.

Cita MLA (9th ed.)

Hoover Presidential Library Association i Ellis W. Hawley. Herbert Hoover as Secretary of Commerce: Studies in New Era Thought and Practice. University of Iowa Press, 1981.