APA (7th ed.) Citation

Davies, D. E. (1969). An application of Flax's variational principle to lifting-surface theory. Her Majesty's Stationery Office.

Chicago Style (17th ed.) Citation

Davies, Danny E. An Application of Flax's Variational Principle to Lifting-surface Theory. London: Her Majesty's Stationery Office, 1969.

MLA (9th ed.) Citation

Davies, Danny E. An Application of Flax's Variational Principle to Lifting-surface Theory. Her Majesty's Stationery Office, 1969.