Gaya APA
Yogerst, J, R. (2017).
50 States 5000 Ideas: Where to Go, When to Go, What to See, What to Do .
Washington DC:
National Geographic.
Gaya MLA
Yogerst, Joseph, R..
"50 States 5000 Ideas: Where to Go, When to Go, What to See, What to Do".
Washington DC:
National Geographic,
2017.
Text.