APA (7th ed.) Citation

Pabst, W. (1986). Vertically operating flight vehicle for drilling and agricultural use. National Aeronautics and Space Administration.

Chicago Style (17th ed.) Citation

Pabst, W. Vertically Operating Flight Vehicle for Drilling and Agricultural Use. Washington, D.C.: National Aeronautics and Space Administration, 1986.

MLA (9th ed.) Citation

Pabst, W. Vertically Operating Flight Vehicle for Drilling and Agricultural Use. National Aeronautics and Space Administration, 1986.