APA (7th ed.) Citation

Marie Louise, P. (1960). My memories of six reigns. Penguin Books.

Chicago Style (17th ed.) Citation

Marie Louise, Princess. My Memories of Six Reigns. М: Penguin Books, 1960.

MLA (8th ed.) Citation

Marie Louise, Princess. My Memories of Six Reigns. Penguin Books, 1960.

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