Cita APA (7a ed.)

Ryrie, A. (2019). Unbelievers: An emotional history of doubt. William Collins.

Cita Chicago Style (17a ed.)

Ryrie, Alec. Unbelievers: An Emotional History of Doubt. London: William Collins, 2019.

Cita MLA (9a ed.)

Ryrie, Alec. Unbelievers: An Emotional History of Doubt. William Collins, 2019.