APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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