APA引文

Frey, W. H. Three Americas: The rising significance of regions. Journal of the American Planning Association.

Chicago Style (17th ed.) Citation

Frey, William H. "Three Americas: The Rising Significance of Regions." Journal of the American Planning Association .

MLA引文

Frey, William H. "Three Americas: The Rising Significance of Regions." Journal of the American Planning Association, .

警告：這些引文格式不一定是100％准確.