APA (7th ed.) Citation

Armstrong, R. (1974). Powered ships: The beginnings. Benn.

Chicago Style (17th ed.) Citation

Armstrong, Richard. Powered Ships: The Beginnings. London: Benn, 1974.

MLA (9th ed.) Citation

Armstrong, Richard. Powered Ships: The Beginnings. Benn, 1974.

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