APA (7th ed.) Citation

Gibbon, E. (1995). Reflections on the fall of Rome. Penguin books.

Chicago Style (17th ed.) Citation

Gibbon, Edward. Reflections on the Fall of Rome. New York [etc.]: Penguin books, 1995.

MLA (9th ed.) Citation

Gibbon, Edward. Reflections on the Fall of Rome. Penguin books, 1995.