Cita APA (7a ed.)
Li, S., Liu, Y., Purevjav, A., & Yang, L. (2019). Does subway expansion improve air quality? Elsevier.
Cita Chicago Style (17a ed.)
Li, Shanjun, Yanyan Liu, Avralt-Od Purevjav, y Lin Yang. Does Subway Expansion Improve Air Quality? Elsevier, 2019.
Cita MLA (9a ed.)
Li, Shanjun, et al. Does Subway Expansion Improve Air Quality? Elsevier, 2019.
Precaución: Estas citas no son 100% exactas.