APA (7th ed.) Citation

Hoover, I. H. (1934). Forty-two years in the White House. Houghton Mifflin Company.

Chicago Style (17th ed.) Citation

Hoover, Irwin Hood. Forty-two Years in the White House. Boston ; New York: Houghton Mifflin Company, 1934.

MLA (9th ed.) Citation

Hoover, Irwin Hood. Forty-two Years in the White House. Houghton Mifflin Company, 1934.