Cita APA (7a ed.)

Richards, W. C. (1950). The last billionaire, Henry Ford. Charles Scribner's Sons [etc.].

Cita Chicago Style (17a ed.)

Richards, William C. The Last Billionaire, Henry Ford. New York [etc.]: Charles Scribner's Sons [etc.], 1950.

Cita MLA (9a ed.)

Richards, William C. The Last Billionaire, Henry Ford. Charles Scribner's Sons [etc.], 1950.