Cita APA (7a ed.)

Freidel, F. B. (1989). The presidents of the United States of America. White House Historical Association.

Cita Chicago Style (17a ed.)

Freidel, Frank Burt. The Presidents of the United States of America. Washington: White House Historical Association, 1989.

Cita MLA (8a ed.)

Freidel, Frank Burt. The Presidents of the United States of America. White House Historical Association, 1989.