APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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