APA (7th ed.) Citation

Pirie, G. (2009). Air empire: British imperial civil aviation, 1919-39. Manchester University Press.

Chicago Style (17th ed.) Citation

Pirie, Gordon. Air Empire: British Imperial Civil Aviation, 1919-39. Manchester: Manchester University Press, 2009.

MLA (9th ed.) Citation

Pirie, Gordon. Air Empire: British Imperial Civil Aviation, 1919-39. Manchester University Press, 2009.

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