APA (7th ed.) Citation

Hoffmann , M., & Alexandra Krings. 100 Wonders of the World: From manmade masterpieces to breathtaking surprises of nature. Parragon Books Ltd.

Chicago Style (17th ed.) Citation

Hoffmann , Michael, and Alexandra Krings. 100 Wonders of the World: From Manmade Masterpieces to Breathtaking Surprises of Nature. UK: Parragon Books Ltd.

MLA (9th ed.) Citation

Hoffmann , Michael, and Alexandra Krings. 100 Wonders of the World: From Manmade Masterpieces to Breathtaking Surprises of Nature. Parragon Books Ltd.

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