APA (7th ed.) Citation

Schaepdrijver, S. d. Gabrielle Petit: The death and life of a female spy in the First World War.

Chicago Style (17th ed.) Citation

Schaepdrijver, Sophie de. Gabrielle Petit: The Death and Life of a Female Spy in the First World War.

MLA (9th ed.) Citation

Schaepdrijver, Sophie de. Gabrielle Petit: The Death and Life of a Female Spy in the First World War.

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