APA (7th ed.) Citation

Gibbon, E., & Radice, B. (1984). Memoirs of my life. Penguin Books.

Chicago Style (17th ed.) Citation

Gibbon, Edward, and Betty Radice. Memoirs of My Life. Harmondsworth [etc.]: Penguin Books, 1984.

MLA (9th ed.) Citation

Gibbon, Edward, and Betty Radice. Memoirs of My Life. Penguin Books, 1984.