Cita APA (7a ed.)

ASIMOV, I. (1962). The clock we live on.-- New, revised edition. Collier Books.

Cita Chicago Style (17a ed.)

ASIMOV, Isaac. The Clock We Live on.-- New, Revised Edition. New York: Collier Books, 1962.

Cita MLA (9a ed.)

ASIMOV, Isaac. The Clock We Live on.-- New, Revised Edition. Collier Books, 1962.