APA-Zitierstil (7. Ausg.)

Sibley, K. A. S. (2014). A companion to Warren G. Harding, Calvin Coolidge, and Herbert Hoover. Wiley Blackwell.

Chicago-Zitierstil (17. Ausg.)

Sibley, Katherine A. S. A Companion to Warren G. Harding, Calvin Coolidge, and Herbert Hoover. Chichester, West Sussex, UK: Wiley Blackwell, 2014.

MLA-Zitierstil (9. Ausg.)

Sibley, Katherine A. S. A Companion to Warren G. Harding, Calvin Coolidge, and Herbert Hoover. Wiley Blackwell, 2014.