APA (7th ed.) Citation

Dunlap, O. E. (1948). Radar: What radar is and how it works (Rev. ed.). Harper & Brothers.

Chicago Style (17th ed.) Citation

Dunlap, Orrin E. Radar: What Radar Is and How It Works. Rev. ed. New York: Harper & Brothers, 1948.

MLA (9th ed.) Citation

Dunlap, Orrin E. Radar: What Radar Is and How It Works. Rev. ed. Harper & Brothers, 1948.