Dog sledding is a popular attraction (Denali National Park and Preserve, 2013).
Venngage’s (n.d.) The Mystery of Yawning infographic describes theories about yawning.
Author, A. A. (Year). Title of image [Format eg. Infographic, photograph, clip art or stock image]. Name of site image was retrieved. https://xxxx
Denali National Park and Preserve. (2013). Lava [Photograph]. Flickr. https://www.flickr.com/photos/denalinps/8639280606/
Venngage. (n.d.). The Mystery of Yawning [Infographic]. Venngage. https://venngage.com/blog/what-is-an-infographic/