Cita APA (7th ed.)
ebrary, Inc, Gaquin, D., & DeBrandt, K. A. (2002). County and city extra, 2002: Annual metro, city, and county data book (11th. ed.). Bernan Press.
Cita Chicago (17th ed.)
ebrary, Inc, Deirdre Gaquin, i Katherine A. DeBrandt. County and City Extra, 2002: Annual Metro, City, and County Data Book. 11th. ed. Lanham, MD.: Bernan Press, 2002.
Cita MLA (9th ed.)
ebrary, Inc, et al. County and City Extra, 2002: Annual Metro, City, and County Data Book. 11th. ed. Bernan Press, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.