APA (7th ed.) Citation

Wacht, W. F. (1974). The domestic air transportation network of the United States / by W.F. Wacht. University of Chicago Department of Geography.

Chicago Style (17th ed.) Citation

Wacht, W. F. The Domestic Air Transportation Network of the United States / by W.F. Wacht. University of Chicago Department of Geography, 1974.

MLA (9th ed.) Citation

Wacht, W. F. The Domestic Air Transportation Network of the United States / by W.F. Wacht. University of Chicago Department of Geography, 1974.

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