Cita APA (7th ed.)

Walker, K. R. (1966). The days the Presidents died: Leading men, issues, and ideas. Pioneer Press].

Cita Chicago (17th ed.)

Walker, Kenneth Roland. The Days the Presidents Died: Leading Men, Issues, and Ideas. [Little Rock, Ark.: Pioneer Press], 1966.

Cita MLA (8th ed.)

Walker, Kenneth Roland. The Days the Presidents Died: Leading Men, Issues, and Ideas. Pioneer Press], 1966.