APA-viite (7. p.)

Ryrie, A., & Ryrie. (2019). Unbelievers: An emotional history of doubt (First Harvard University Press Edition.). Belknap.

Chicago-viite (17. p.)

Ryrie, Alec, ja Ryrie. Unbelievers: An Emotional History of Doubt. First Harvard University Press Edition. Cambridge: Belknap, 2019.

MLA-viite (9. p.)

Ryrie, Alec, ja Ryrie. Unbelievers: An Emotional History of Doubt. First Harvard University Press Edition. Belknap, 2019.