Style de citation APA

Christian, S. (1998). What makes the grand canyon grand?: The world's most awe-insping natural wonders. J. Wiley.

Style de citation Chicago

Christian, Spencer. What Makes the Grand Canyon Grand?: The World's Most Awe-insping Natural Wonders. J. Wiley, 1998.

Style de citation MLA

Christian, Spencer. What Makes the Grand Canyon Grand?: The World's Most Awe-insping Natural Wonders. J. Wiley, 1998.

Attention : ces citations peuvent ne pas être correctes à 100%.