APA (7th ed.) Citation

Nye, F. T. (1988). Doors of opportunity: The life and legacy of Herbert Hoover. Herbert Hoover Presidential Library Assoc.

Chicago Style (17th ed.) Citation

Nye, Frank T. Doors of Opportunity: The Life and Legacy of Herbert Hoover. West Branch, Iowa: Herbert Hoover Presidential Library Assoc, 1988.

MLA (9th ed.) Citation

Nye, Frank T. Doors of Opportunity: The Life and Legacy of Herbert Hoover. Herbert Hoover Presidential Library Assoc, 1988.