APA (7th ed.) Citation

Armstrong, J. (1967). Isle of the humming-bird. Mills & Boon.

Chicago Style (17th ed.) Citation

Armstrong, Juliet. Isle of the Humming-bird. London: Mills & Boon, 1967.

MLA (8th ed.) Citation

Armstrong, Juliet. Isle of the Humming-bird. Mills & Boon, 1967.

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