APA (7th ed.) Citation

Messenger, R. (1967). The doors of opportunity: A biography of Dame Caroline Haslett DBE Companion I.E.E. London: Femina Books.

Chicago Style (17th ed.) Citation

Messenger, Rosalind. The Doors of Opportunity: A Biography of Dame Caroline Haslett DBE Companion I.E.E. London: Femina Books, 1967.

MLA (8th ed.) Citation

Messenger, Rosalind. The Doors of Opportunity: A Biography of Dame Caroline Haslett DBE Companion I.E.E. London: Femina Books, 1967.

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