Παραπομπή σε μορφή APA (7η εκδ.)

Gould, S. J. (1998). Questioning the millennium: A rationalist's guide to a precisely arbitrary countdown. Vintage.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gould, Stephen Jay. Questioning the Millennium: A Rationalist's Guide to a Precisely Arbitrary Countdown. New York: Vintage, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gould, Stephen Jay. Questioning the Millennium: A Rationalist's Guide to a Precisely Arbitrary Countdown. Vintage, 1998.