Arribas-Bel, D., & Sanz-Gracia, F. (2014). The validity of the monocentric city model in a polycentric age: US metropolitan areas in 1990, 2000 and 2010. Urban geography, 35(7), 980-997. https://doi.org/10.1080/02723638.2014.940693
Chicago Style (17th ed.) CitationArribas-Bel, Daniel, and Fernando Sanz-Gracia. "The Validity of the Monocentric City Model in a Polycentric Age: US Metropolitan Areas in 1990, 2000 and 2010." Urban Geography 35, no. 7 (2014): 980-997. https://doi.org/10.1080/02723638.2014.940693.
MLA (9th ed.) CitationArribas-Bel, Daniel, and Fernando Sanz-Gracia. "The Validity of the Monocentric City Model in a Polycentric Age: US Metropolitan Areas in 1990, 2000 and 2010." Urban Geography, vol. 35, no. 7, 2014, pp. 980-997, https://doi.org/10.1080/02723638.2014.940693.