APA (7th ed.) Citation

Allingham, M. (1950). Black plumes. Penguin.

Chicago Style (17th ed.) Citation

Allingham, Margery. Black Plumes. London: Penguin, 1950.

MLA (9th ed.) Citation

Allingham, Margery. Black Plumes. Penguin, 1950.

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