Cita APA (7a ed.)

Popper, K. R. (1992). Unended quest: An intellectual autobiography. Routledge.

Cita Chicago Style (17a ed.)

Popper, Karl R. Unended Quest: An Intellectual Autobiography. London: Routledge, 1992.

Cita MLA (9a ed.)

Popper, Karl R. Unended Quest: An Intellectual Autobiography. Routledge, 1992.