APA (7th ed.) Citation

MacClure, V. (1932). Ultimatum: A romance of the air. G.G. Harrap.

Chicago Style (17th ed.) Citation

MacClure, Victor. Ultimatum: A Romance of the Air. London: G.G. Harrap, 1932.

MLA (9th ed.) Citation

MacClure, Victor. Ultimatum: A Romance of the Air. G.G. Harrap, 1932.

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