APA (7th ed.) Citation

Hoffmann, M., & Krings, A. (2007). 100 wonders of the world. Parragon Books Ltd..

Chicago Style (17th ed.) Citation

Hoffmann, Michael, and Alexander Krings. 100 Wonders of the World. Bath: Parragon Books Ltd., 2007.

MLA (9th ed.) Citation

Hoffmann, Michael, and Alexander Krings. 100 Wonders of the World. Parragon Books Ltd., 2007.

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