Cita APA (7th ed.)

Asimov, I. (1960). Realm of measure. Houghton Mifflin.

Cita Chicago (17th ed.)

Asimov, Isaac. Realm of Measure. Boston: Houghton Mifflin, 1960.

Cita MLA (9th ed.)

Asimov, Isaac. Realm of Measure. Houghton Mifflin, 1960.