APA (7th ed.) Citation

Duval,G.R. (1975). World flying boats: A pictorial survey. D.Bradford Barton limited.

Chicago Style (17th ed.) Citation

Duval,G.R. World Flying Boats: A Pictorial Survey. London: D.Bradford Barton limited, 1975.

MLA (9th ed.) Citation

Duval,G.R. World Flying Boats: A Pictorial Survey. D.Bradford Barton limited, 1975.

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