Citazione Stile APA (7a Edizione)
ebrary, Inc, Gaquin, D., & DeBrandt, K. A. (2006). 2006 County and city extra: Annual metro, city, and county data book (14th ed.). Bernan Press.
Citazione stile Chigago Style (17a edizione)
ebrary, Inc, Deirdre Gaquin, e Katherine A. DeBrandt. 2006 County and City Extra: Annual Metro, City, and County Data Book. 14th ed. Lanham, MD: Bernan Press, 2006.
Citatione MLA (9a ed.)
ebrary, Inc, et al. 2006 County and City Extra: Annual Metro, City, and County Data Book. 14th ed. Bernan Press, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.