APA (7th ed.) Citation

Penrose, H. (1973). British aviation ; the adventuring years, 1920-1929. Putnam.

Chicago Style (17th ed.) Citation

Penrose, Herald. British Aviation ; the Adventuring Years, 1920-1929. London: Putnam, 1973.

MLA (9th ed.) Citation

Penrose, Herald. British Aviation ; the Adventuring Years, 1920-1929. Putnam, 1973.