Cita APA (7a ed.)

Rumsfeld, D. (2012). Known and unknown: A memoir (This pbk ed. with a new preface published 2012.). Sentinel.

Cita Chicago Style (17a ed.)

Rumsfeld, Donald. Known and Unknown: A Memoir. This pbk ed. with a new preface published 2012. New York: Sentinel, 2012.

Cita MLA (9a ed.)

Rumsfeld, Donald. Known and Unknown: A Memoir. This pbk ed. with a new preface published 2012. Sentinel, 2012.