Cita APA (7a ed.)

Harris, P., & Crawford, M. (2004). Time and uncertainty. Brill.

Cita Chicago Style (17a ed.)

Harris, Paul, y Michael Crawford. Time and Uncertainty. Leiden ; Boston: Brill, 2004.

Cita MLA (9a ed.)

Harris, Paul, y Michael Crawford. Time and Uncertainty. Brill, 2004.