Cita APA (7a ed.)

Anthony, P. (1985). Bearing an hourglass (1. pbk ed.). Ballantine Books.

Cita Chicago Style (17a ed.)

Anthony, Piers. Bearing an Hourglass. 1. pbk ed. New York: Ballantine Books, 1985.

Cita MLA (9a ed.)

Anthony, Piers. Bearing an Hourglass. 1. pbk ed. Ballantine Books, 1985.