APA (7th ed.) Citation

Hooper, F. H. (1924). These eventful years: The twentieth century in the making, as told by many of its makers : being the dramatic story of all that has happened throughout the world during the most momentous period in all history. The Encyclopedia Britannica Company, ltd. ; Encyclopedia Britannica.

Chicago Style (17th ed.) Citation

Hooper, Franklin Henry. These Eventful Years: The Twentieth Century in the Making, as Told by Many of Its Makers : Being the Dramatic Story of All That Has Happened Throughout the World During the Most Momentous Period in All History. London : New York: The Encyclopedia Britannica Company, ltd. ; Encyclopedia Britannica, 1924.

MLA (9th ed.) Citation

Hooper, Franklin Henry. These Eventful Years: The Twentieth Century in the Making, as Told by Many of Its Makers : Being the Dramatic Story of All That Has Happened Throughout the World During the Most Momentous Period in All History. The Encyclopedia Britannica Company, ltd. ; Encyclopedia Britannica, 1924.