APA (7th ed.) Citation

Khan & Clarke. (2002). Prehistoric: Facts & lists. Usborne.

Chicago Style (17th ed.) Citation

Khan and Clarke. Prehistoric: Facts & Lists. London: Usborne, 2002.

MLA (8th ed.) Citation

Khan and Clarke. Prehistoric: Facts & Lists. Usborne, 2002.

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