APA (7th ed.) Citation

Houston-Galveston Area Council & Engineers of the Southwest. (1981). Regional airport-airspace system plan. Engineers of the Southwest.

Chicago Style (17th ed.) Citation

Houston-Galveston Area Council and Engineers of the Southwest. Regional Airport-airspace System Plan. [Houston, Tex.]: Engineers of the Southwest, 1981.

MLA (9th ed.) Citation

Houston-Galveston Area Council and Engineers of the Southwest. Regional Airport-airspace System Plan. Engineers of the Southwest, 1981.