APA-viite (7. p.)

Landau, S. E. (2021). People count: Contact-tracing apps and public health. The MIT Press.

Chicago-viite (17. p.)

Landau, Susan Eva. People Count: Contact-tracing Apps and Public Health. Cambridge, Massachusetts: The MIT Press, 2021.

MLA-viite (9. p.)

Landau, Susan Eva. People Count: Contact-tracing Apps and Public Health. The MIT Press, 2021.