APA (7th ed.) Citation

Speake, G. (1995). The Penguin dictionary of ancient history. Penguin.

Chicago Style (17th ed.) Citation

Speake, Graham. The Penguin Dictionary of Ancient History. London: Penguin, 1995.

MLA (9th ed.) Citation

Speake, Graham. The Penguin Dictionary of Ancient History. Penguin, 1995.

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