APA (7th ed.) Citation

GRAY. (1977). The Geopolitics of the nuclear era: Heartland, rimlands, and the technological revolution. Crane, Russak & Co.

Chicago Style (17th ed.) Citation

GRAY. The Geopolitics of the Nuclear Era: Heartland, Rimlands, and the Technological Revolution. New York: Crane, Russak & Co, 1977.

MLA (8th ed.) Citation

GRAY. The Geopolitics of the Nuclear Era: Heartland, Rimlands, and the Technological Revolution. Crane, Russak & Co, 1977.

Warning: These citations may not always be 100% accurate.