APA (7th ed.) Citation

Pudney, J. (1959). The seven skies: The study of B.O.A.C. and its forerunners since 1919. Putnam.

Chicago Style (17th ed.) Citation

Pudney, John. The Seven Skies: The Study of B.O.A.C. and Its Forerunners Since 1919. London: Putnam, 1959.

MLA (8th ed.) Citation

Pudney, John. The Seven Skies: The Study of B.O.A.C. and Its Forerunners Since 1919. Putnam, 1959.

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