Cita APA (7th ed.)

Song, C., Guan, W., & Ma, J. (2018). Potential travel cost saving in urban public-transport networks using smartphone guidance. Public Library of Science (PLoS).

Cita Chicago (17th ed.)

Song, Cuiying, Wei Guan, i Jihui Ma. Potential Travel Cost Saving in Urban Public-transport Networks Using Smartphone Guidance. Public Library of Science (PLoS), 2018.

Cita MLA (9th ed.)

Song, Cuiying, et al. Potential Travel Cost Saving in Urban Public-transport Networks Using Smartphone Guidance. Public Library of Science (PLoS), 2018.